Бучин, М. “REALIZATION OF DEMOCRATIC PRINCIPLES OF ELECTION IN CONSTITUTIONAL PROJECTS OF THE PERIOD OF LIBERATION STRUGGLE 1917-1921 IN UKRAINE”. The Journal of V.N. Karazin Kharkiv National University. Issues of Political Science, Vol. 15, no. 861, July 2015, pp. 175-9, https://periodicals.karazin.ua/politology/article/view/3319.