Borodai, I. (2020). The serial publications as sources of research on the history of agricultural experimental work in Ukraine. 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), 2(1), 194–204. doi:10.15421/26190116