HANIATURIZQIA; RIFA, N. Analysis of the Effectiveness of Online Learning in the Middle of the Covid-19 Outbreak. Proceeding International Conference on Science and Engineering, [S. l.], v. 4, p. 352–356, 2021. Disponível em: https://sunankalijaga.org/prosiding/index.php/icse/article/view/685. Acesso em: 2 may. 2026.