Ismail, Ahmad Yusuf. “SOUND TRANSMISSION LOSS OF A DOUBLE-LEAF SOLID-MICROPERFORATED PARTITION UNDER NORMAL INCIDENCE OF ACOUSTIC LOADING”. IIUM Engineering Journal 12, no. 3 (December 20, 2011). Accessed April 25, 2024. https://journals.iium.edu.my/ejournal/index.php/iiumej/article/view/164.