Mohd Zubir, M.Z.I. and Wan Abdul Rahman, W.M.W. (2021) “Alternative Soundproof Material to Reduce Noise HVAC Round Duct System (Rockwool and Bamboo Fiber)”, Progress in Engineering Application and Technology, 2(1), pp. 683–693. Available at: https://penerbit.uthm.edu.my/periodicals/index.php/peat/article/view/722 (Accessed: 18 July 2024).