Bugenhagen, Robert. <br/><br/>
A guide for conducting sociolinguistic surveys in Papua New Guinea / 
Robert Bugenhagen. 
 - Ukarumpa :  Summer Institute of Linguistics,  1981. 
 - 37 [19] p. 
<br/><br/><label>ISBN: </label>0726308013 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics--Papua New Guinea.<br/>Sociolinguistics.