Georgieva, Maria. " The Mechanisms of the State Agrarian Policy in the Field of Logistics of Bulgarian Agricultural Enterprises (1991–2007)." Universum Historiae et Archeologiae = The Universe of History and Archeology = Універсум історії та археології = Универсум истории и археологии ISSN 2664-9950 (Print) ISSN 2707-6385 (Online) [Online], 4.1 (2021): 89–99. Web. 18 May. 2022