RS, Syamsuddin. Masa Awal Dakwah Islam di Indonesia. Ilmu Dakwah: Academic Journal for Homiletic Studies, [S. l.], v. 1, n. 1, p. 207–222, 2018. DOI: 10.15575/idajhs.v1i1.2406. Disponível em: https://journal.uinsgd.ac.id/index.php/idajhs/article/view/2406. Acesso em: 4 apr. 2025.