Shofa N, Supriadi S, Aldoko W. Application of Jigsaw Type Cooperative Learning Model to Improve Conceptual Knowledge and Problem Solving Ability of Senior High School Students. HJKK [Internet]. 2024 Dec. 31 [cited 2025 Sep. 30];12(6):1496-511. Available from: https://ojspanel.undikma.ac.id/index.php/hydrogen/article/view/13930