UMAR, Umar; WIDODO, Arif. Analisis Faktor Penyebab Rendahnya Kemampuan Akademik Siswa Sekolah Dasar di Daerah Pinggiran. Jurnal Educatio FKIP UNMA, [S. l.], v. 8, n. 2, p. 458–465, 2022. DOI: 10.31949/educatio.v8i2.2131. Disponível em: https://www.ejournal.unma.ac.id/index.php/educatio/article/view/2131. Acesso em: 16 jun. 2025.