Ida Bagus Nyoman Mantra, I Gusti Ayu Putu Tuti Indrawati, I Nyoman Suwandi, Ni Luh Sukanadi, & Anak Agung Rai Laksmi. (2021). LEARNING FROM THE PAST: THE USEFULNESS AND CHALLENGES OF ONLINE LEARNING. International Journal of Social Science, 1(4), 315–320. https://doi.org/10.53625/ijss.v1i4.708