K. Al-Ahmady, Kossay. “Mathematical Model for Calculating Oxygen Mass Transfer Coefficient in Diffused Air Systems”. Al-Rafidain Engineering Journal (AREJ) 19, no. 4 (August 28, 2011): 43–54. Accessed August 8, 2025. https://ojs.uomosul.edu.iq/index.php/arej/article/view/27198.