“The Snowball Throwing Learning Model on Economic Learning Outcomes as Material of Demand and Supply Class X at MA Islamiyah Padang Garugur North Padang Lawas”, JEI, vol. 2, no. 3, pp. 408–421, Jul. 2024, Accessed: Apr. 26, 2025. [Online]. Available: https://jurnal.ypkpasid.org/index.php/jei/article/view/119