Busu, Nur’Amirah, et al. “Performance Evaluation of Diffuser Dampers in HVAC Systems Using Volume-Weighted Average Analysis”. International Journal of Integrated Engineering, vol. 18, no. 2, Apr. 2026, pp. 195-12, https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/25151.