N N Nguyễn T.Thượng 26 Tháng sáu 2017 http://nccashrae.org/images/meeting/031214/chilled_water_piping_distribution_systems_ashrae_3_12_14.pdf
http://nccashrae.org/images/meeting/031214/chilled_water_piping_distribution_systems_ashrae_3_12_14.pdf