Puandi, Akhyar, Asrin Lubis, and Mulyono Mulyono. “Development of Problem-Based Student Worksheet Learning Media Using Geogebra to Improve Mathematical Reasoning Skills and Learning Independence”. Jurnal Perspektif 8, no. 2 (August 27, 2024): 149–160. Accessed June 19, 2025. https://perspektif.uinsgd.ac.id/index.php/JP/article/view/300.