“Analysis of heat transfer enhancement in Rectangular microchannel using refrigerant R-22”, Int. J. Curr. Eng. Technol., vol. 1, no. 5.Special Issue, pp. 419–423, Jun. 2016, Accessed: Apr. 30, 2026. [Online]. Available: https://ijcet.evegenis.org/index.php/ijcet/article/view/4327