Колев К, Цоклинова М. Level of Digitalization and Gross Domestic Product by Regions: Measurement and Dependencies. НТ [интернет]. 21 Май 2025 [цитиран 22 Юли 2026];(1):279-302. достъпен на: https://bjiep.e-dnrs.org/index.php/rp/article/view/5039