Lean, G. A. <br/><br/>
An investigation of spatial ability among Papua New Guinean students 
[author: G.A. Lean]. 
 - Lae  Mathematics Education Centre, Papua New Guinea University of Technology  [1980]. 
 - 22p.  30cm. 
 - Report  no. 9. .
<br/><br/>Bibliography: p.21-22. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Space perception in children--Papua New Guinea.<br/>Mathematical ability--Testing.