Doni DR, Munandar DR. Analisis Self-efficacy Siswa SMK pada Materi Sistem Persamaan Linear Tiga Variabel. Didact. Math. [Internet]. 2024 Apr. 3 [cited 2026 Jun. 18];6(1):61-7. Available from: https://www.ejournal.unma.ac.id/index.php/dm/article/view/8019