Amelia, Rosa, and Nurlaela Nurlaela. “The Effectiveness of Open-Ended Worksheet-Based Learning in Exponential Material to Enhance Middle School students’ Mathematical Conceptual Understanding”. International Journal of Advance Research in Mathematics Education 2, no. 2 (December 30, 2024): 87–97. Accessed January 12, 2026. https://ejournal.papanda.org/index.php/ijarme/article/view/2467.