Nur, Sahril, and Ranta Butarbutar. “Insights of Collaborative Learning Approach from Social-Psychology Perspective: A Systematic Review”. Journal of English Education and Teaching 6, no. 3 (September 10, 2022): 379–397. Accessed May 3, 2024. https://ejournal.unib.ac.id/JEET/article/view/22109.