Hieu Nghia, Nguyen, Le Chi Hiep, and Hoang An Quoc. 2017. “Theoretical and Experimental Analysis Evaluating the Optimal Generation Temperature of NH3-H2O Absorption Refrigeration Machine for Ice-Making”. Science and Technology Development Journal 20 (K1), 42-49. https://doi.org/https://doi.org/10.32508/stdj.v20iK1.411.