Zulkifli, Mohammad Alif Haiqal, and Muhammed Abdelfattah Sayed Abdelaal. “Measurement of Sound Pressure Level and Noise Flow of a Split-Type Air-Conditioner Outdoor Unit”. Journal of Complex Flow 5, no. 1 (March 1, 2023): 25–30. Accessed August 23, 2026. https://jcf.fazpublishing.com/index.php/jcf/article/view/61.