“Sound pressure level (SPL) of Al-Karkh University of Science second campus (Abo-Greab)/ Iraq”, J. Genet. Environ. Conserv., vol. 11, no. 2, pp. 139–143, May 2025, Accessed: Jun. 24, 2026. [Online]. Available: https://www.gercj.com/index.php/gercj/article/view/32