Peiris, Sripal. <br/><br/>
1980 national population census, final figures :  national summary (Papua New Guinea) / 
Sripal Peiris. 
 - Port Moresby :  National Statistical Office,  1988. 
 - v, 160 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Census
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Papua New Guinea--Census--1980.
<br/><br/><label>Dewey Class. No.: </label>312.09953  / P218