Rani Safitri, Sanjaya, Eka Ad’hiya, Andi Suharman, and M. Hadeli. “Development of Polymer E-Modules in Solution, Solids, and Amorphous Based on Problem-Based Learning”. Orbital: Jurnal Pendidikan Kimia 8, no. 2 (December 31, 2024): 153–165. Accessed March 29, 2025. https://jurnal.radenfatah.ac.id/index.php/orbital/article/view/24611.