TY - JOUR T1 - Reducing Vehicle Heating, Ventilation and Air Conditioning Noise Using Low-Cost and Biodegradable Natural Materials from Coconut Fiber Absorber AU - Muhammad Zulkarnain,Lubis M. Sobron Yamin,Steven Darmawan,Silvi Ariyanti,Ibham Veza,Mohd Badzli Bakri JO - International Journal of Technology VL - 15 IS - 5 SP - 291 EP - 319 PY - 2024 DA - 2024/09/18 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v15i5.7086 UR - https://ijtech.eng.ui.ac.id/article/view/7086