Zahrotin, Anis, Wasis Wasis, Wahono Widodo, and Hanandita Veda Saphira. “The Effectiveness of CFL Learning Model to Improve Junior High School Students’ Problem-Solving Skills”. International Journal of Current Educational Research 4, no. 1 (June 30, 2025): 70-77. Accessed August 21, 2025. https://journal.iel-education.org/index.php/ijocer/article/view/535.