Bezkrovnyi , Y. O. “Volodymyr Vynnychenko As an Editor-in-Chief of the ‘Promin’ Magazine (1916–1917)”. Zaporizhzhia Historical Review, Vol. 1, no. 43, Feb. 2021, pp. 162-7, https://istznu.org/index.php/journal/article/view/1074.