Istiqomah, Imroatul, and Muhammad Iqbal Fakhirullah. “Some Aspect of Islamic Communication in First Mecca Period: A Historical Review”. Proceeding International Conference on Religion, Science and Education 1 (February 22, 2022): 751–759. Accessed July 13, 2026. http://sunankalijaga.org/prosiding/index.php/icrse/article/view/864.