Wang, Yongbao. “The Essence of The Ummah Principle: Islam and The Foundation of Inclusive Social Systems”. Afkar: Jurnal Akidah dan Pemikiran Islam 26, no. 2 (December 31, 2024): 159–200. Accessed January 7, 2025. http://adum.um.edu.my/index.php/afkar/article/view/55462.