ASHA, Lukman. Online Learning Problems and the Principal’s Efforts to Overcome the Problems. AL-ISHLAH: Jurnal Pendidikan, [S. l.], v. 13, n. 2, p. 1247–1258, 2021. DOI: 10.35445/alishlah.v13i2.932. Disponível em: https://journal.staihubbulwathan.id/alishlah/article/view/932. Acesso em: 12 nov. 2026.