Biblio

P. K. Institute Lahore, “Proceedings of the National Symposium on Wastewater Disposal held in April 1975”. IPHER, Lahore, Pakistan, p. 65 p., 1975.

M. B. Pescod, “Investigation of rational effluent and stream standards for tropical countries”. Asian Institute of Technology, Environmental Engineering Division, Bangkok, Thailand, p. vi + 61 p. : 6 fig. 16 tab., 1974.

E. F. Gloyna, Waste stabilization ponds, vol. no. 60. Geneva, Switzerland: World Health Organization (WHO), 1971, p. 175 p.: 44 fig., 28 tab.