Papua New Guinea agriculture and resource technology / 
[put together by] J.W. Tyer. 
 - Vudal, Papua New Guinea :  Vudal Agricultural College,  [n.d.]. 
 - (various pagings). 
<br/><br/> Vudal Agricultural College students papers. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Agriculture--Papua New Guinea.