Romaniuk, Nelia. " The Role of Entrepreneurs and Entrepreneurship in the Economic Modernization of the South-East Ukraine: 1861–1914" 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], Volume 2 Number 1 (2 January 2020)