FERRI PUTRI, S. . The effectiveness of online learning during the covid-19 pandemic. AMCA Journal of Education and Behavioral Change, [S. l.], v. 1, n. 1, p. 5–7, 2021. DOI: 10.51773/ajeb.v1i1.57. Disponível em: https://www.journal.amca2012.org/index.php/ajeb/article/view/57. Acesso em: 9 oct. 2025.