1.
Salmia S, Sudarmin S, Mujahidah M. Problem-based learning combined with realistic mathematics approach grade V elementary school. jppfa [Internet]. 2023 Feb. 7 [cited 2025 May 14];10(2):142-51. Available from: https://jurnal.uny.ac.id/index.php/jppfa/article/view/55581