Dharmabalan, P.
Small water-supply systems / by P. Dharmabalan. - Lae : Papua New Guinea University of Technology, Department of Civil Engineering, 1988. - 48 p. : ill.
Water-supply.
Water-supply, Rural
Water-supply--Papua New Guinea.
Water-supply, Rural--Papua New Guinea.
Small water-supply systems / by P. Dharmabalan. - Lae : Papua New Guinea University of Technology, Department of Civil Engineering, 1988. - 48 p. : ill.
Water-supply.
Water-supply, Rural
Water-supply--Papua New Guinea.
Water-supply, Rural--Papua New Guinea.