Mujiono, Riza Weganofa, and Siane Herawati. “Project-Based Learning Intervention and Its Effect on Promoting English Language Proficiency Based on Moderator Variables: Meta-Analysis”. International Journal of Instruction 16, no. 4 (October 1, 2023): 465–484. Accessed July 18, 2024. https://e-iji.net/ats/index.php/pub/article/view/29.