Sound pressure level (SPL) of Al-Karkh University of Science second campus (Abo-Greab)/ Iraq. J. Genet. Environ. Conserv. [Internet]. 2025 May 20 [cited 2026 Jun. 24];11(2):139-43. Available from: https://www.gercj.com/index.php/gercj/article/view/32