Suyanti, Retno Dwi, Desnapia Nesrani Br Karo, and Nopita Sitompul. “The Effect of Project Bases Learning Model With Learning Colaborative Toward Student’s Achievement”. Journal of Learning Improvement and Lesson Study 2, no. 1 (April 20, 2022): 34–39. Accessed January 30, 2025. https://jlils.ppj.unp.ac.id/index.php/jlils/article/view/15.