МАНДРИК, Я. І. TRANSITION TO GENERAL STUDY IN SOVIET UKRAINE (30th years of the ХХ century): TRUE AND FALSENESS. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Idea, [S. l.], n. 3(15), p. 114–119, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/idea/article/view/712. Acesso em: 11 dec. 2025.