Abidin N, Zahran WS, Widyastuti TAR, Vitisia V, Saktisyahputra. Digital Learning and Teaching in the Age of COVID-19 Pandemic : Challenges, Opportunities,and Solutions. ijss [Internet]. 2021Jul.30 [cited 2024Apr.28];2(3):157-61. Available from: https://www.ilomata.org/index.php/ijss/article/view/257