M.Sugumar, A.Manojkumar, V.Palanisamy, and G.Mohan. “Design and Fabrication of LPG Refrigerator”. International Journal of Intellectual Advancements and Research in Engineering Computations, vol. 6, no. 1, Mar. 2018, pp. 736-40, https://ijiarec.com/ijiarec/article/view/541.