Hendra Putra, Fakhrur Rizal, and Afrizal. “THE EFFECT OF A PROBLEM-BASED LEARNING MODEL ON STUDENTS’ CRITICAL THINKING SKILLS IN PHYSICAL FITNESS GYMNASTICS MATERIAL AT SMP NEGERI 1 LAWE SIGALA-GALA”. International Journal of Social Science, Educational, Economics, Agriculture Research and Technology (IJSET) 5, no. 1 (December 20, 2025): 538–542. Accessed April 17, 2026. http://ijset.org/index.php/ijset/article/view/1385.