Velkar, R. B., More, N. S., Dongare, V. K., Mulgund, A. G., Gardi, V. V. ., & Surve, D. D. (2015). Experimental Investigation of Water Cooler System by Using Eco-Friendly Refrigerant (R-134a). Journal of Advance Research in Mechanical and Civil Engineering (ISSN: 2208-2379), 2(3), 41-45. https://doi.org/10.53555/nnmce.v2i3.350