Chandra Kishore, Sudhanshu Raj, Gagan BansaL, and Taranath. “An Alternative To Conventional Refrigeration Method”. Elementary Education Online 20, no. 3 (December 15, 2023): 3177–3181. Accessed December 27, 2024. https://ilkogretim-online.org/index.php/pub/article/view/2623.