Jana P, Nurchasanah N, ’Adna SF. E-Learning During Pandemic Covid-19 Era: Drill Versus Conventional Models. Int. J. Eng. Ped. [Internet]. 2021 May 20 [cited 2024 Nov. 22];11(3):pp. 54-70. Available from: https://online-journals.org/index.php/i-jep/article/view/16505