Critical evaluation of water supply systems in Papua and New Guinea /
Dirkis, Peter.
Critical evaluation of water supply systems in Papua and New Guinea / by Peter Dirkis. - 1968. - 139 leaves : ill., maps.
Thesis (M. Sc.) -- University of New South Wales.
Water-supply--Papua New Guinea.
Critical evaluation of water supply systems in Papua and New Guinea / by Peter Dirkis. - 1968. - 139 leaves : ill., maps.
Thesis (M. Sc.) -- University of New South Wales.
Water-supply--Papua New Guinea.