Angelika, P. et al. 2025. The Use of Role Play Model to Develop Vocabulary Mastery of Grade Ten Students at SMA Negeri 2 Palu. ELS Journal on Interdisciplinary Studies in Humanities. 8, 2 (Jun. 2025), 646–652. DOI:https://doi.org/10.34050/els-jish.v8i2.44976.