Nguyen VT, Tran VH, Nguyen TMT, Nguyen MP, Nguyen VH. Research on Improving the Working Efficiency of the Group Installation of Outdoor Units of the VRF Air Conditioning System . JTE [Internet]. 2022 Oct. 28 [cited 2026 Apr. 7];17(Special Issue 03):33-41. Available from: https://www.jte.edu.vn/index.php/jte/article/view/1265