“THE EFFECT OF JIGSAW TYPE OF COOPERATIVE LEARNING MODEL ON COGNITIVE LEARNING OUTCOMES OF CLASS VIII STUDENTS SMPN 40 PADANG”. Universe 7, no. 1 (Juni 30, 2026): 88–93. Diakses Oktober 16, 2026. https://universe.ppj.unp.ac.id/index.php/universe/article/view/654.