Setiawan, Budi, and Farida F. “Differences in PJBL Model With PBL on Self-Efficacy of Grade V Elementary School Students”. International Journal of Educational Dynamics 1, no. 1 (January 3, 2019): 100-106. Accessed May 17, 2024. http://ijeds.ppj.unp.ac.id/index.php/IJEDS/article/view/20.