LUBIS, A. H.; DASOPANG, M. D. Online learning during the covid-19 pandemic: How is it implemented in elementary schools?. Premiere Educandum : Jurnal Pendidikan Dasar dan Pembelajaran, [S. l.], v. 11, n. 1, p. 120–134, 2021. DOI: 10.25273/pe.v11i1.8618. Disponível em: https://e-journal.unipma.ac.id/index.php/PE/article/view/8618. Acesso em: 14 mar. 2025.