Saragih, Cici Suzana, Sahlan Tampubolon, and Harpen Silitonga. 2023. “The Effect Of Scramble Game By Using Quiziz Application On Students Vocabulary Mastery At SMP Gajah Mada Medan ”. Innovative: Journal Of Social Science Research 3 (2):6925-29. https://j-innovative.org/index.php/Innovative/article/view/1172.