Melisa, Defri. “Identifikasi Konsentrasi Siswa Di SMAN 10 Batang Hari”. Schrödinger: Journal of Physics Education 1, no. 1 (December 31, 2019): 01-06. Accessed November 22, 2024. https://cahaya-ic.com/index.php/SJPE/article/view/22.