A. A. Thofan, Z. Ilmi, P. Sasalia S, E. N. Wulan, M. M. Pirdaus, and S. D. Anugrah, “Development of a Mathematics Student Worksheet Using SketchUp Based on a Project-Based Learning Approach”, jpm, vol. 16, no. 2, pp. 143–153, Jul. 2025.