Siti Nuratirah Che Mohd Nasir, and Salmiah Aziz. “PERFORMANCE OF BUILDING MAINTENANCE IN OPERATION & MANAGEMENT AT COMMERCIAL BUILDING ”. International Journal of Modern Trends in Business Research 2, no. 6 (March 31, 2019). Accessed January 18, 2025. https://academicinspired.com/ijmtbr/article/view/2382.