Leva, Avua. <br/><br/>
Village water supply :  bacteriological and chemical quality / 
by Avua Leva. 
 - Lae:  Dept. of Chemical Technology, University of Technology,  1985. 
 - 31 leaves:  2 maps. 
<br/><br/> Submitted for final-year course CH 400, as part of the B.Sc. in Applied Chemistry. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Water--Microbiology.<br/>Water supply--Papua New Guinea--Morobe Province.<br/>Water quality--Papua New Guinea--Morobe Province.