Ali Khalid Shaker Al-Sayyab, and Mohammed A. Abdulwahid. “Energy-Exergy Analysis of Multistage Refrigeration System and Flash Gas Intercooler Working With Ozone-Friendly Alternative Refrigerants to R134a”. Journal of Advanced Research in Fluid Mechanics and Thermal Sciences, vol. 63, no. 2, Mar. 2024, pp. 188-9, https://semarakilmu.com.my/journals/index.php/fluid_mechanics_thermal_sciences/article/view/3613.