Lumbantobing, Febrianty, Roganda Simamora, Melany Lorenza Sirait, Inry Surya Angelina Simanjuntak, and Azizah Husda. 2021. “ONLINE ENGLISH LEARNING DURING COVID-19 PANDEMIC FOR STUDENTS OF SMA NEGERI 4 MEDAN”. ELT (English Language Teaching Prima Journal) 3 (1):120-39. https://doi.org/10.34012/elt.v%vi%i.1790.