САВ’ЮК, Лариса Олександрівна. SYSTEM APPROACHES AND WAYS OF OPTIMAL IMPLEMENTATION OF DISTANCE LEARNING SYSTEMS TO HIGHER EDUCATION OF UKRAINE. PRECARPATHIAN BULLETIN OF THE SHEVCHENKO SCIENTIFIC SOCIETY. Number, [S. l.], n. 1(13), p. 280–284, 2019. Disponível em: https://pvntsh.nung.edu.ua/index.php/number/article/view/277. Acesso em: 11 apr. 2025.