AZMAN, Zainal. STRATEGI DAKWAH UMAR BIN ABDUL AZIZ DALAM MENANAMKAN NILAI-NILAI PENDIDIKAN ISLAM. El-Ghiroh : Jurnal Studi Keislaman, [S. l.], v. 13, n. 2, p. 1–21, 2018. DOI: 10.37092/el-ghiroh.v13i2.4. Disponível em: https://jurnal.staibsllg.ac.id/index.php/el-ghiroh/article/view/4. Acesso em: 26 jul. 2025.