Al-Hemiri, Adil A, and Sawsan A. M. Mohammed. “Study of Performance of Air Filters in Public Shelters”. Iraqi Journal of Chemical and Petroleum Engineering 2, no. 1 (March 30, 2001): 47–51. Accessed November 22, 2024. https://ijcpe.uobaghdad.edu.iq/index.php/ijcpe/article/view/560.