Ravinchandra, Krishna A/L, Thang Ka Fei, and Lau Chee Young. “A Review on Existing Active Noise Reduction for Industrial HVAC System”. Journal of Applied Technology and Innovation 1, no. 2 (June 1, 2017). Accessed April 9, 2026. https://jati.apu.edu.my/index.php/JATI/article/view/306.