Derunansyah, Sheldy, Puguh Wahyu Prasetyo, and Uswatun Khasanah. “Development of Problem-Based Learning E-Module in Junior High Schools 15 Yogyakarta”. International Journal on Emerging Mathematics Education 8, no. 1 (March 3, 2024): 1–14. Accessed November 4, 2024. https://journal.uad.ac.id/index.php/IJEME/article/view/29586.