ACHMAD SYAM, R. Z.; ACHMAD, W. . . Online Learning in Higher Education: Analysis during the Pandemic Covid-19. Jurnal Mantik, [S. l.], v. 5, n. 4, p. 2256-2261, 2022. Disponível em: https://www.iocscience.org/ejournal/index.php/mantik/article/view/1969. Acesso em: 28 apr. 2026.