IDA BAGUS NYOMAN MANTRA; I GUSTI AYU PUTU TUTI INDRAWATI; I NYOMAN SUWANDI; NI LUH SUKANADI; ANAK AGUNG RAI LAKSMI. LEARNING FROM THE PAST: THE USEFULNESS AND CHALLENGES OF ONLINE LEARNING. International Journal of Social Science, [S. l.], v. 1, n. 4, p. 315–320, 2021. DOI: 10.53625/ijss.v1i4.708. Disponível em: https://mail.bajangjournal.com/index.php/IJSS/article/view/708. Acesso em: 8 mar. 2026.