ATIKA, Geni; SUSIATY, Utin Desy; ABDILLAH, Abdillah. Diagnosis Kemampuan Pemecahan Masalah Matematis Siswa Berdasarkan Self-Confidence pada Materi Sistem Persamaan Linier Dua Variabel. Indo-MathEdu Intellectuals Journal, [S. l.], v. 5, n. 4, p. 4516–4525, 2024. DOI: 10.54373/imeij.v5i4.1508. Disponível em: https://ejournal.indo-intellectual.id/index.php/imeij/article/view/1508. Acesso em: 12 may. 2025.