Hamer, Welliam, and Ledy Lely. “Using Pictionary Game to Increase Learners’ Vocabulary Mastery in English Language Instruction”. Journal of English Education Studies 2, no. 1 (May 30, 2019): 43-51. Accessed January 20, 2022. http://jees.ejournal.id/index.php/english/article/view/30.