ABUBAKAR, Abdulkarim. Bright Da’wah Efforts in the Life of Sheikh Abubakar Mahmud Gumi and Their Impact on Islamic Propagation. Ibn Khaldoun Journal for Studies and Researches, فلسطين, v. 6, n. 7, 2026. DOI: 10.56989/benkj.v6i7.1975. Disponível em: https://www.benkjournal.com/benkj/article/view/1975. Acesso em: 2 jul. 2026.