THE EFFECT OF THE TEAMS GAMES TOURNAMENT (TGT) COOPERATIVE LEARNING MODEL ON EIGHTH-GRADE STUDENTS’ COGNITIVE SKILLS AND SCIENCE LEARNING MOTIVATION. universe [Internet]. 2026 Jun. 30 [cited 2026 Aug. 14];7(1):29-35. Available from: http://universe.ppj.unp.ac.id/index.php/universe/article/view/737