Lumbantobing F, Simamora R, Sirait ML, Simanjuntak ISA, Husda A. ONLINE ENGLISH LEARNING DURING COVID-19 PANDEMIC FOR STUDENTS OF SMA NEGERI 4 MEDAN. ELT [Internet]. 2021 Jun. 24 [cited 2026 Apr. 2];3(1):120-39. Available from: http://139.162.50.187/index.php/ELTP/article/view/1790