Dharmabalan, P.
Small waste water disposal systems / by P. Dharmabalan. - Lae : Papua New Guinea University of Technology, Department of Civil Engineering, 1989. - 46 p. : ill. ; 30 cm.
Sanitation, Rural
Sanitation, Rural--Papua New Guinea.
Sewage disposal, Rural
Sewage disposal, Rural--Papua New Guinea.
Small waste water disposal systems / by P. Dharmabalan. - Lae : Papua New Guinea University of Technology, Department of Civil Engineering, 1989. - 46 p. : ill. ; 30 cm.
Sanitation, Rural
Sanitation, Rural--Papua New Guinea.
Sewage disposal, Rural
Sewage disposal, Rural--Papua New Guinea.