Heldawati, Heldawati, Dwi Yulianti, Nurhanurawati Nurhanurawati, Muhammad Nurwahidin, and Sugeng Sutiarso. “E-Modules With Realistic Mathematics Education (PMR) Approach to Improve Students’ Mathematical Problem Solving Skills”. Jurnal Teknologi Pendidikan : Jurnal Penelitian dan Pengembangan Pembelajaran 9, no. 4 (October 31, 2024): 599–608. Accessed August 15, 2025. https://e-journal3.undikma.ac.id/index.php/jtp/article/view/12651.