MALIARCHUK, O. .; SABADUKHA, V. . YAROSLAV FEDORUK’S SCIENTIFIC AND ADMINISTRATIVE ACTIVITIES UNDER THE CONDITIONS OF THE CRISIS OF THE SOVIET SYSTEM (1960 – 1980s). EAST EUROPEAN HISTORICAL BULLETIN, [S. l.], n. 29, p. 163–172, 2023. DOI: 10.24919/2519-058X.29.292937. Disponível em: http://eehb.dspu.edu.ua/article/view/292937. Acesso em: 27 jul. 2024.