Via Yustitia, Dian Kusmaharti, and Eldine Salsabila Putri. “Self-Directed Learning Based Teaching Module on Angle Material”. Jurnal Penelitian dan Pengembangan Pendidikan 8, no. 3 (October 31, 2024). Accessed January 22, 2025. https://ejournal.undiksha.ac.id/index.php/JJL/article/view/62123.