Khadijah Md Ariffin, Sani Inusa Milala, and Rozilah Kasim. “Facilities Management Business Opportunities”. International Journal of Sustainable Construction Engineering and Technology 13, no. 2 (June 21, 2022): 258–267. Accessed August 13, 2026. https://journal.uthm.edu.my/index.php/IJSCET/article/view/11298.