S. Al - Dabbagh, M. and Adnan M. Al Saffawi, D. 2011. A Study For Refrigerant’s Characteristics to Choose the Optimum For Ejector Refrigeration System. Al-Rafidain Engineering Journal (AREJ). 19, 6 (Dec. 2011), 16–29. DOI:https://doi.org/10.33899/rengj.2011.26568.