{"id":200,"date":"2025-05-26T08:04:23","date_gmt":"2025-05-26T08:04:23","guid":{"rendered":"http:\/\/192.168.1.88\/?page_id=200"},"modified":"2025-07-01T09:32:38","modified_gmt":"2025-07-01T09:32:38","slug":"contacts","status":"publish","type":"page","link":"https:\/\/research-papers.unwe.bg\/en\/contacts\/","title":{"rendered":"Contact us"},"content":{"rendered":"<div data-elementor-type=\"wp-post\" data-elementor-id=\"200\" class=\"elementor elementor-200\" data-elementor-post-type=\"page\">\n\t\t\t\t<div class=\"elementor-element elementor-element-c3af93a e-flex e-con-boxed e-con e-parent\" data-id=\"c3af93a\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-ca4929e e-con-full e-flex e-con e-child\" data-id=\"ca4929e\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t<div class=\"elementor-element elementor-element-0e4a829 e-con-full e-flex e-con e-child\" data-id=\"0e4a829\" data-element_type=\"container\" data-e-type=\"container\" data-settings=\"{&quot;background_background&quot;:&quot;classic&quot;}\">\n\t\t\t\t<div class=\"elementor-element elementor-element-2cd3e18 elementor-widget elementor-widget-shortcode\" data-id=\"2cd3e18\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"shortcode.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-shortcode\">\t\t<div data-elementor-type=\"section\" data-elementor-id=\"58\" class=\"elementor elementor-58\" data-elementor-post-type=\"elementor_library\">\n\t\t\t<div class=\"elementor-element elementor-element-94aa0ea e-flex e-con-boxed e-con e-parent\" data-id=\"94aa0ea\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t<div class=\"elementor-element elementor-element-0c1dd9d e-con-full e-flex e-con e-child\" data-id=\"0c1dd9d\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-560937e elementor-widget elementor-widget-heading\" data-id=\"560937e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/research-papers.unwe.bg\/en\/policy-for-authors\/\">Authorship Editorial Policy<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-1c60a3e elementor-widget elementor-widget-heading\" data-id=\"1c60a3e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/research-papers.unwe.bg\/en\/requirements-for-authors\/\">Requirements to the contributor<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-2effbdc elementor-widget elementor-widget-heading\" data-id=\"2effbdc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/research-papers.unwe.bg\/en\/requirements-for-the-reviewers\/\">Requirements to the reviewers<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-efe4d52 elementor-widget elementor-widget-heading\" data-id=\"efe4d52\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<h2 class=\"elementor-heading-title elementor-size-default\"><a href=\"https:\/\/unwe-research-papers.org\/bg\/journalissues\/archive\">ARCHIVE<\/a><\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-9f15fed e-con-full e-flex e-con e-child\" data-id=\"9f15fed\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t<div class=\"elementor-element elementor-element-d61d33b elementor-widget elementor-widget-google_maps\" data-id=\"d61d33b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"google_maps.default\">\n\t\t\t\t\t\t\t<div class=\"elementor-custom-embed\">\n\t\t\t<iframe loading=\"lazy\"\n\t\t\t\t\tsrc=\"https:\/\/maps.google.com\/maps?q=%D0%A1%D0%BE%D1%84%D0%B8%D1%8F%201700%2C%20%D0%A1%D1%82%D1%83%D0%B4%D0%B5%D0%BD%D1%82%D1%81%D0%BA%D0%B8%20%D0%B3%D1%80%D0%B0%D0%B4%20%22%D0%A5%D1%80%D0%B8%D1%81%D1%82%D0%BE%20%D0%91%D0%BE%D1%82%D0%B5%D0%B2%22%2C%20%D0%A3%D0%9D%D0%A1%D0%A1&#038;t=m&#038;z=15&#038;output=embed&#038;iwloc=near\"\n\t\t\t\t\ttitle=\"Sofia 1700, &quot;Hristo Botev&quot; Student City, UNWE\"\n\t\t\t\t\taria-label=\"Sofia 1700, &quot;Hristo Botev&quot; Student City, UNWE\"\n\t\t\t><\/iframe>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-7ae3dab elementor-widget elementor-widget-heading\" data-id=\"7ae3dab\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"heading.default\">\n\t\t\t\t\t<p class=\"elementor-heading-title elementor-size-default\">Sofia 1700 <br>\nStudent town, 8th December street 19 <br>\ne-mail: researchpapers@unwe.bg <br>\n<\/p>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>1700 \u0421\u043e\u0444\u0438\u044f \u0440\u0430\u0439\u043e\u043d \u201e\u0421\u0442\u0443\u0434\u0435\u043d\u0442\u0441\u043a\u0438\u201c, \u0443\u043b. \u201e8-\u043c\u0438 \u0434\u0435\u043a\u0435\u043c\u0432\u0440\u0438\u201c \u2116 19 e-mail: researchpapers@unwe.bg<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-200","page","type-page","status-publish","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u043b\u0438\u0442\u0438\u043a\u0430 \u0437\u0430 \u0430\u0432\u0442\u043e\u0440\u0441\u0442\u0432\u043e \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435 \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0440\u0435\u0446\u0435\u043d\u0437\u0435\u043d\u0442\u0438\u0442\u0435 \u0410\u0420\u0425\u0418\u0412 1700 \u0421\u043e\u0444\u0438\u044f \u0440\u0430\u0439\u043e\u043d \u201e\u0421\u0442\u0443\u0434\u0435\u043d\u0442\u0441\u043a\u0438\u201c, \u0443\u043b. \u201e8-\u043c\u0438 \u0434\u0435\u043a\u0435\u043c\u0432\u0440\u0438\u201c \u2116 19 e-mail: researchpapers@unwe.bg\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<link rel=\"canonical\" href=\"https:\/\/research-papers.unwe.bg\/en\/contacts\/\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.0.1\" \/>\n\t\t<meta property=\"og:locale\" content=\"en_US\" \/>\n\t\t<meta property=\"og:site_name\" content=\"Research Papers -\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u0438 - Research Papers\" \/>\n\t\t<meta property=\"og:description\" content=\"\u041f\u043e\u043b\u0438\u0442\u0438\u043a\u0430 \u0437\u0430 \u0430\u0432\u0442\u043e\u0440\u0441\u0442\u0432\u043e \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435 \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0440\u0435\u0446\u0435\u043d\u0437\u0435\u043d\u0442\u0438\u0442\u0435 \u0410\u0420\u0425\u0418\u0412 1700 \u0421\u043e\u0444\u0438\u044f \u0440\u0430\u0439\u043e\u043d \u201e\u0421\u0442\u0443\u0434\u0435\u043d\u0442\u0441\u043a\u0438\u201c, \u0443\u043b. \u201e8-\u043c\u0438 \u0434\u0435\u043a\u0435\u043c\u0432\u0440\u0438\u201c \u2116 19 e-mail: researchpapers@unwe.bg\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/research-papers.unwe.bg\/en\/contacts\/\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/research-papers.unwe.bg\/wp-content\/uploads\/2025\/05\/logo_en_unss.png\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/research-papers.unwe.bg\/wp-content\/uploads\/2025\/05\/logo_en_unss.png\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2025-05-26T08:04:23+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2025-07-01T09:32:38+00:00\" \/>\n\t\t<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n\t\t<meta name=\"twitter:title\" content=\"\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u0438 - Research Papers\" \/>\n\t\t<meta name=\"twitter:description\" content=\"\u041f\u043e\u043b\u0438\u0442\u0438\u043a\u0430 \u0437\u0430 \u0430\u0432\u0442\u043e\u0440\u0441\u0442\u0432\u043e \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435 \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0440\u0435\u0446\u0435\u043d\u0437\u0435\u043d\u0442\u0438\u0442\u0435 \u0410\u0420\u0425\u0418\u0412 1700 \u0421\u043e\u0444\u0438\u044f \u0440\u0430\u0439\u043e\u043d \u201e\u0421\u0442\u0443\u0434\u0435\u043d\u0442\u0441\u043a\u0438\u201c, \u0443\u043b. \u201e8-\u043c\u0438 \u0434\u0435\u043a\u0435\u043c\u0432\u0440\u0438\u201c \u2116 19 e-mail: researchpapers@unwe.bg\" \/>\n\t\t<meta name=\"twitter:image\" content=\"https:\/\/research-papers.unwe.bg\/wp-content\/uploads\/2025\/05\/logo_en_unss.png\" \/>\n\t\t<script type=\"application\/ld+json\" class=\"aioseo-schema\">\n\t\t\t{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/contacts\\\/#breadcrumblist\",\"itemListElement\":[{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en#listItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\",\"nextItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/contacts\\\/#listItem\",\"name\":\"\\u041a\\u043e\\u043d\\u0442\\u0430\\u043a\\u0442\\u0438\"}},{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/contacts\\\/#listItem\",\"position\":2,\"name\":\"\\u041a\\u043e\\u043d\\u0442\\u0430\\u043a\\u0442\\u0438\",\"previousItem\":{\"@type\":\"ListItem\",\"@id\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en#listItem\",\"name\":\"Home\"}}]},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/#organization\",\"name\":\"Research Papers\",\"url\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"url\":\"https:\\\/\\\/research-papers.unwe.bg\\\/wp-content\\\/uploads\\\/2025\\\/05\\\/logo_en_unss.png\",\"@id\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/contacts\\\/#organizationLogo\",\"width\":600,\"height\":600},\"image\":{\"@id\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/contacts\\\/#organizationLogo\"}},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/contacts\\\/#webpage\",\"url\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/contacts\\\/\",\"name\":\"\\u041a\\u043e\\u043d\\u0442\\u0430\\u043a\\u0442\\u0438 - Research Papers\",\"description\":\"\\u041f\\u043e\\u043b\\u0438\\u0442\\u0438\\u043a\\u0430 \\u0437\\u0430 \\u0430\\u0432\\u0442\\u043e\\u0440\\u0441\\u0442\\u0432\\u043e \\u0418\\u0437\\u0438\\u0441\\u043a\\u0432\\u0430\\u043d\\u0438\\u044f \\u043a\\u044a\\u043c \\u0430\\u0432\\u0442\\u043e\\u0440\\u0438\\u0442\\u0435 \\u0418\\u0437\\u0438\\u0441\\u043a\\u0432\\u0430\\u043d\\u0438\\u044f \\u043a\\u044a\\u043c \\u0440\\u0435\\u0446\\u0435\\u043d\\u0437\\u0435\\u043d\\u0442\\u0438\\u0442\\u0435 \\u0410\\u0420\\u0425\\u0418\\u0412 1700 \\u0421\\u043e\\u0444\\u0438\\u044f \\u0440\\u0430\\u0439\\u043e\\u043d \\u201e\\u0421\\u0442\\u0443\\u0434\\u0435\\u043d\\u0442\\u0441\\u043a\\u0438\\u201c, \\u0443\\u043b. \\u201e8-\\u043c\\u0438 \\u0434\\u0435\\u043a\\u0435\\u043c\\u0432\\u0440\\u0438\\u201c \\u2116 19 e-mail: researchpapers@unwe.bg\",\"inLanguage\":\"en-US\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/#website\"},\"breadcrumb\":{\"@id\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/contacts\\\/#breadcrumblist\"},\"datePublished\":\"2025-05-26T08:04:23+00:00\",\"dateModified\":\"2025-07-01T09:32:38+00:00\"},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/#website\",\"url\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/\",\"name\":\"Research Papers\",\"inLanguage\":\"en-US\",\"publisher\":{\"@id\":\"https:\\\/\\\/research-papers.unwe.bg\\\/en\\\/#organization\"}}]}\n\t\t<\/script>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u0438 - Research Papers","description":"\u041f\u043e\u043b\u0438\u0442\u0438\u043a\u0430 \u0437\u0430 \u0430\u0432\u0442\u043e\u0440\u0441\u0442\u0432\u043e \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435 \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0440\u0435\u0446\u0435\u043d\u0437\u0435\u043d\u0442\u0438\u0442\u0435 \u0410\u0420\u0425\u0418\u0412 1700 \u0421\u043e\u0444\u0438\u044f \u0440\u0430\u0439\u043e\u043d \u201e\u0421\u0442\u0443\u0434\u0435\u043d\u0442\u0441\u043a\u0438\u201c, \u0443\u043b. \u201e8-\u043c\u0438 \u0434\u0435\u043a\u0435\u043c\u0432\u0440\u0438\u201c \u2116 19 e-mail: researchpapers@unwe.bg","canonical_url":"https:\/\/research-papers.unwe.bg\/en\/contacts\/","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"BreadcrumbList","@id":"https:\/\/research-papers.unwe.bg\/en\/contacts\/#breadcrumblist","itemListElement":[{"@type":"ListItem","@id":"https:\/\/research-papers.unwe.bg\/en#listItem","position":1,"name":"Home","item":"https:\/\/research-papers.unwe.bg\/en","nextItem":{"@type":"ListItem","@id":"https:\/\/research-papers.unwe.bg\/en\/contacts\/#listItem","name":"\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u0438"}},{"@type":"ListItem","@id":"https:\/\/research-papers.unwe.bg\/en\/contacts\/#listItem","position":2,"name":"\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u0438","previousItem":{"@type":"ListItem","@id":"https:\/\/research-papers.unwe.bg\/en#listItem","name":"Home"}}]},{"@type":"Organization","@id":"https:\/\/research-papers.unwe.bg\/en\/#organization","name":"Research Papers","url":"https:\/\/research-papers.unwe.bg\/en\/","logo":{"@type":"ImageObject","url":"https:\/\/research-papers.unwe.bg\/wp-content\/uploads\/2025\/05\/logo_en_unss.png","@id":"https:\/\/research-papers.unwe.bg\/en\/contacts\/#organizationLogo","width":600,"height":600},"image":{"@id":"https:\/\/research-papers.unwe.bg\/en\/contacts\/#organizationLogo"}},{"@type":"WebPage","@id":"https:\/\/research-papers.unwe.bg\/en\/contacts\/#webpage","url":"https:\/\/research-papers.unwe.bg\/en\/contacts\/","name":"\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u0438 - Research Papers","description":"\u041f\u043e\u043b\u0438\u0442\u0438\u043a\u0430 \u0437\u0430 \u0430\u0432\u0442\u043e\u0440\u0441\u0442\u0432\u043e \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435 \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0440\u0435\u0446\u0435\u043d\u0437\u0435\u043d\u0442\u0438\u0442\u0435 \u0410\u0420\u0425\u0418\u0412 1700 \u0421\u043e\u0444\u0438\u044f \u0440\u0430\u0439\u043e\u043d \u201e\u0421\u0442\u0443\u0434\u0435\u043d\u0442\u0441\u043a\u0438\u201c, \u0443\u043b. \u201e8-\u043c\u0438 \u0434\u0435\u043a\u0435\u043c\u0432\u0440\u0438\u201c \u2116 19 e-mail: researchpapers@unwe.bg","inLanguage":"en-US","isPartOf":{"@id":"https:\/\/research-papers.unwe.bg\/en\/#website"},"breadcrumb":{"@id":"https:\/\/research-papers.unwe.bg\/en\/contacts\/#breadcrumblist"},"datePublished":"2025-05-26T08:04:23+00:00","dateModified":"2025-07-01T09:32:38+00:00"},{"@type":"WebSite","@id":"https:\/\/research-papers.unwe.bg\/en\/#website","url":"https:\/\/research-papers.unwe.bg\/en\/","name":"Research Papers","inLanguage":"en-US","publisher":{"@id":"https:\/\/research-papers.unwe.bg\/en\/#organization"}}]},"og:locale":"en_US","og:site_name":"Research Papers -","og:type":"article","og:title":"\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u0438 - Research Papers","og:description":"\u041f\u043e\u043b\u0438\u0442\u0438\u043a\u0430 \u0437\u0430 \u0430\u0432\u0442\u043e\u0440\u0441\u0442\u0432\u043e \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435 \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0440\u0435\u0446\u0435\u043d\u0437\u0435\u043d\u0442\u0438\u0442\u0435 \u0410\u0420\u0425\u0418\u0412 1700 \u0421\u043e\u0444\u0438\u044f \u0440\u0430\u0439\u043e\u043d \u201e\u0421\u0442\u0443\u0434\u0435\u043d\u0442\u0441\u043a\u0438\u201c, \u0443\u043b. \u201e8-\u043c\u0438 \u0434\u0435\u043a\u0435\u043c\u0432\u0440\u0438\u201c \u2116 19 e-mail: researchpapers@unwe.bg","og:url":"https:\/\/research-papers.unwe.bg\/en\/contacts\/","og:image":"https:\/\/research-papers.unwe.bg\/wp-content\/uploads\/2025\/05\/logo_en_unss.png","og:image:secure_url":"https:\/\/research-papers.unwe.bg\/wp-content\/uploads\/2025\/05\/logo_en_unss.png","article:published_time":"2025-05-26T08:04:23+00:00","article:modified_time":"2025-07-01T09:32:38+00:00","twitter:card":"summary_large_image","twitter:title":"\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u0438 - Research Papers","twitter:description":"\u041f\u043e\u043b\u0438\u0442\u0438\u043a\u0430 \u0437\u0430 \u0430\u0432\u0442\u043e\u0440\u0441\u0442\u0432\u043e \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435 \u0418\u0437\u0438\u0441\u043a\u0432\u0430\u043d\u0438\u044f \u043a\u044a\u043c \u0440\u0435\u0446\u0435\u043d\u0437\u0435\u043d\u0442\u0438\u0442\u0435 \u0410\u0420\u0425\u0418\u0412 1700 \u0421\u043e\u0444\u0438\u044f \u0440\u0430\u0439\u043e\u043d \u201e\u0421\u0442\u0443\u0434\u0435\u043d\u0442\u0441\u043a\u0438\u201c, \u0443\u043b. \u201e8-\u043c\u0438 \u0434\u0435\u043a\u0435\u043c\u0432\u0440\u0438\u201c \u2116 19 e-mail: researchpapers@unwe.bg","twitter:image":"https:\/\/research-papers.unwe.bg\/wp-content\/uploads\/2025\/05\/logo_en_unss.png"},"aioseo_meta_data":{"post_id":"200","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":"default","schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"breadcrumb_settings":null,"limit_modified_date":false,"ai":null,"created":"2026-02-26 12:25:48","updated":"2026-02-26 12:25:48","focus_keyword":null,"additional_keywords":null,"truseo_locale":null,"seo_analyzer_scan_date":null},"aioseo_breadcrumb":"<div class=\"aioseo-breadcrumbs\"><span class=\"aioseo-breadcrumb\">\n\t\t\t<a href=\"https:\/\/research-papers.unwe.bg\/en\" title=\"Home\">Home<\/a>\n\t\t<\/span><span class=\"aioseo-breadcrumb-separator\">&raquo;<\/span><span class=\"aioseo-breadcrumb\">\n\t\t\t\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u0438\n\t\t<\/span><\/div>","aioseo_breadcrumb_json":[{"label":"Home","link":"https:\/\/research-papers.unwe.bg\/en"},{"label":"\u041a\u043e\u043d\u0442\u0430\u043a\u0442\u0438","link":"https:\/\/research-papers.unwe.bg\/en\/contacts\/"}],"_links":{"self":[{"href":"https:\/\/research-papers.unwe.bg\/en\/wp-json\/wp\/v2\/pages\/200","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/research-papers.unwe.bg\/en\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/research-papers.unwe.bg\/en\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/research-papers.unwe.bg\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/research-papers.unwe.bg\/en\/wp-json\/wp\/v2\/comments?post=200"}],"version-history":[{"count":25,"href":"https:\/\/research-papers.unwe.bg\/en\/wp-json\/wp\/v2\/pages\/200\/revisions"}],"predecessor-version":[{"id":393,"href":"https:\/\/research-papers.unwe.bg\/en\/wp-json\/wp\/v2\/pages\/200\/revisions\/393"}],"wp:attachment":[{"href":"https:\/\/research-papers.unwe.bg\/en\/wp-json\/wp\/v2\/media?parent=200"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}