Syafii, Viola Putri, and Ahmad Ridho Rojabi. “The Effectiveness of Video Scribe Sparkol on EFL Students’ Grammar Ability”. Tell : Teaching of English Language and Literature Journal 9, no. 2 (September 30, 2021): 147–157. Accessed May 3, 2024. https://journal.um-surabaya.ac.id/Tell/article/view/9443.