ФЕДОРІВ, Х. І. CONCEPT OF ELECTION SYSTEM AND ITS CHARACTERISTICS. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Idea, [S. l.], n. 3(19), p. 205–214, 2019. Disponível em: https://www.pvntsh.nung.edu.ua/index.php/idea/article/view/696. Acesso em: 17 dec. 2025.