DONI, Doni Ramdan; MUNANDAR, Dadang Rahman. Analisis Self-efficacy Siswa SMK pada Materi Sistem Persamaan Linear Tiga Variabel. Jurnal Didactical Mathematics , [S. l.], v. 6, n. 1, p. 61–67, 2024. DOI: 10.31949/dm.v6i1.8019. Disponível em: https://www.ejournal.unma.ac.id/index.php/dm/article/view/8019. Acesso em: 18 jun. 2026.