SIAGIAN, A. .; SETIAWAN, A. . PROBLEMATIKA PEMBELAJARAN PADA MASA PANDEMI COVID-19. Aufklarung: Jurnal Pendidikan, Sosial dan Humaniora, [S. l.], v. 1, n. 2, p. 84–90, 2021. Disponível em: https://pijarpemikiran.com/index.php/Aufklarung/article/view/81. Acesso em: 25 apr. 2025.