Ida Bagus Nyoman Mantra, I Gusti Ayu Putu Tuti Indrawati, I Nyoman Suwandi, Ni Luh Sukanadi, and Anak Agung Rai Laksmi. 2021. “LEARNING FROM THE PAST: THE USEFULNESS AND CHALLENGES OF ONLINE LEARNING”. International Journal of Social Science 1 (4):315-20. https://doi.org/10.53625/ijss.v1i4.708.