Widya Karmila Sari Achmad, Hotimah, Dinda Cahyani Anas, Amir Pada, and M. . Faisal. “Online Learning Supporting Tools: An Analysis the Impact of Supporting Tools During the Pandemic of Covid-19 on Student Achievement”. Jurnal Edutech Undiksha, vol. 11, no. 1, June 2023, pp. 1-10, doi:10.23887/jeu.v11i1.62711.