WHO -Geneva, CH, World Health Organization and Lumpur, M. Y. P. E. P. A. S. - Kua,
“Public water supply leakage and wastage control”. Western Pacific Regional Centre for the Promotion of Environmental Planning and, Serdang, Malaysia, p. 108 p., 1984.
T. W. Brandon,
Water distribution systems, vol. 4. London, UK: Institution of Water Engineers and Scientists (IWES), 1984, p. xiv, 450 p.: fig., tab.