Tiauw V, Khoe YT. THE EFFECT OF TEACHER LEADERSHIP AND STUDENT MOTIVATION THROUGH COLLABORATIVE LEARNING ON STUDENTS’ COGNITIVE ABILITIES AT XYZ PRIMARY SCHOOL. JOHME [Internet]. 2022 Dec. 5 [cited 2025 Dec. 10];6(2):122-37. Available from: https://ojs.uph.edu/index.php/JOHME/article/view/5834