Syahmi, Difa, and Rahmah Putri. “THE EFFECT OF PROJECT BASED LEARNING MODEL ON COGNITIVE SKILL OF 8th GRADE STUDENTS’ ON HUMAN CIRCULATORY SYSTEM TOPIC”. Universe 4, no. 1 (June 30, 2023): 127-131. Accessed February 5, 2025. http://universe.ppj.unp.ac.id/index.php/universe/article/view/552.