T.Arumugam, Jaya Prathab, and Kamran Shavarebi. “Study on Cost of Procuring Chilled Water from District Cooling System (DCS) Against Constructing an In-Building Chiller Plant for an Office Tower”. International Journal of Sciences: Basic and Applied Research (IJSBAR), vol. 58, no. 1, May 2021, pp. 111-7, https://www.gssrr.org/JournalOfBasicAndApplied/article/view/12585.