Martinovsky, D. P. “International Legal Standards in the Area of Constitutional Law: Concepts, Marks and Places in the Source System”. Scientific Papers of the Legislation Institute of the Verkhovna Rada of Ukraine0, no. 2 (March 13, 2020): 69-77. Accessed September 23, 2020. https://instzak.com/index.php/journal/article/view/1797.