A.D.Latha, R. Kavinkumar, A.Meezan, R.Naveenkumar, and B. Raghuram. 2017. “Efficiency Improvement in Refrigeration System Using Sub-Cooler”. International Journal of Intellectual Advancements and Research in Engineering Computations 5 (2):1806-10. https://ijiarec.com/ijiarec/article/view/1388.