1.
Hashim Falih A. EFFECT OF USING R-22, R404 AND R-407C ON PERFORMANCE OF AN AIR-CONDITIONING SYSTEM. J. eng. sustain. dev. 2018;22(5):200-214. Accessed June 10, 2026. https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/411