Dharmabalan, P. <br/><br/>
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. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sanitation, Rural<br/>Sanitation, Rural--Papua New Guinea.<br/>Sewage disposal, Rural<br/>Sewage disposal, Rural--Papua New Guinea.