SIREGAR, S.; KASIH, I.; PARDILLA, H. The Effectiveness of E-Learning-Based Volleyball Service Video Media on Students Affected by Covid-19 at Faculty of Sports Science, Universitas Negeri Medan. Physical Education Theory and Methodology, [S. l.], v. 22, n. 1, p. 7–13, 2022. DOI: 10.17309/tmfv.2022.1.01. Disponível em: https://tmfv.com.ua/journal/article/view/1525. Acesso em: 15 jul. 2026.