Kulang, Joel. <br/><br/>
A study on the biological diversity of the Hagahai area in the Madang Province, Papua New Guinea / 
by Joel Kulang, Olo Gebia and Lawong Balun. 
 - Madang :  Christensen Research Institute,  [1996]. 
 - 1 v. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biological diversity.<br/>Biological diversity--Madang Province--Hagahai region.<br/>Ecological heterogeneity.