Hafizah, Nur, Siti Nurhalimah, Wahyu Lestari Utami, and Lilis Marina Angraini. “Analysis of Problem-Solving Ability of Junior High School Students in A System of Linear Equations With One Variable”. International Journal of Contemporary Studies in Education (IJ-CSE) 4, no. 1 (February 24, 2025): 1–14. Accessed June 26, 2025. https://journals.eduped.org/index.php/ijcse/article/view/1046.