Uppama, T., and A. Suetair. “Ummah Wasat – The Middle Nation: The Concept of Human Civilization Emplacement in Islam”. Journal of Islamic Studies, Prince of Songkla University, vol. 12, no. 2, Dec. 2021, pp. 16-28, https://so03.tci-thaijo.org/index.php/JOIS/article/view/254732.