Low-cost science teaching equipment 

 - Lae  [Papua New Guinea University of Technology for the] Commonwealth Secretariat  1979 
 - 1v. in various foliations;  30cm 
<br/><br/> Cover title 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science--Study and teaching--Equipment and supplies<br/>Science--Study and teaching--Papua New Guinea