Lukas, Brenda Anak, and Melor Md Yunus. “ESL Teachers’ Challenges in Implementing E-Learning During COVID-19”. International Journal of Learning, Teaching and Educational Research 20, no. 2 (February 28, 2021): 330–348. Accessed April 17, 2026. http://www.ijlter.myres.net/index.php/ijlter/article/view/164.