Erika, Farah, and Agung Rahmadani. “Development of 21st Century Skills-Based Stereochemistry Learning Tools to Train Students’ Argumentation Skills”. Jurnal Kependidikan: Jurnal Hasil Penelitian dan Kajian Kepustakaan di Bidang Pendidikan, Pengajaran dan Pembelajaran 7, no. 4 (December 11, 2021): 822–833. Accessed August 18, 2025. https://e-journal3.undikma.ac.id/index.php/jurnalkependidikan/article/view/4088.