Difa Amini Harliana, and Sarlita D. Matra. “The Effectiveness of ZEP QUIZ-Based Assessment on Students’ Synonym Vocabulary Mastery ”. INTERACTION: Jurnal Pendidikan Bahasa, vol. 13, no. 3, Sept. 2026, pp. 461-75, doi:10.36232/interactionjournal.v13i3.5996.