Nguyen B, Nguyen T, Dao T. Feasibility study of domestic cooling storage balls to reduce the energy cost of central air conditioning system. VNUHCM Journal of Science and Technology Development [Internet]. 30Jun.2013 [cited 2Jul.2025];16(2):73-1. Available from: http://stdj.scienceandtechnology.com.vn/index.php/stdj/article/view/1518