Dwi Prasetyo, and Endang Mulyani. “Development of a Discovery Learning Model With a Meaningful Learning Approach to Improve Students’ Critical Thinking Skills in Economics at SMAN 2 Tulang Bawang Udik”. International Journal of Studies in International Education 2, no. 4 (November 30, 2024): 81–94. Accessed December 18, 2025. https://international.aripi.or.id/index.php/IJSIE/article/view/434.