Nguyen, Bao, and Phat Le. 2024. “Application of Frequency Inverter in Pump Control to Increase Chiller System Efficiency: Theoretical Research, Experiment and Practical Implementation in Vietnam”. VNUHCM Journal of Engineering and Technology 7 (4), In press. https://doi.org/https://doi.org/10.32508/stdjet.v7i4.1411.