“Improving Mathematical Problem-Solving Abilities Through An Open-Ended Approach In Grade VI Of Mi Maraqitta’limat Anyar In The 2025 2026 Academic Year”. JUPE : Jurnal Pendidikan Mandala 11, no. 2 (June 24, 2026): 347–353. Accessed June 24, 2026. https://ejournal.mandalanursa.org/index.php/JUPE/article/view/10786.