SITOMPUL, Nurlaila; SIREGAR, Zunaidy Abdullah. Analysis of Impacts and Challenges of Online Learning During the Covid-19 Pandemic: A Case Study at SMA Negeri 2 Rantau Selatan. Bioscientist : Jurnal Ilmiah Biologi, [S. l.], v. 12, n. 1, p. 1202–1214, 2024. DOI: 10.33394/bioscientist.v12i1.10946. Disponível em: https://e-journal.undikma.ac.id/index.php/bioscientist/article/view/10946. Acesso em: 8 sep. 2026.