Farhan, A., Asnawi, Harianto II and Risnawaty (2025) “The Development of English Vocabulary Teaching Material Through Cooperative Learning for Grade Vii Students of Smps Langkat Binjai 2025/2026”, International Journal of Educational Research Excellence (IJERE), 5(1), pp. 94–101. doi: 10.55299/ijere.v5i1.1636.