Jitong, T., and C. Jothityangkoon. “Reducing water loss in a water supply system using a district metering area (DMA): A case study of the Provincial Waterworks Authority (PWA), Lop Buri Branch”. Engineering and Applied Science Research, vol. 44, no. 3, Aug. 2017, pp. 154-60, https://ph01.tci-thaijo.org/index.php/easr/article/view/72058.