Energy Efficiency in Cooling Operation: A case Study Analysis of Computer Room in VietnamTrung-Hieu Trinh, Xuan-Truong Nguyen, Minh-Quang Luu and Viet-Ninh NguyenE3S Web Conf., 723 (2026) 03001DOI: https://doi.org/10.1051/e3sconf/202672303001