ОСТАП’ЯК, В. І. CONCEPTS OF PARTNERSHIP AND THREATS ON THE TERRITORY OF THE CENTRAL AND EASTERN REGION OF EUROPE. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY Idea, [S. l.], n. 3(27), p. 172–179, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/idea/article/view/634. Acesso em: 10 dec. 2025.