Abdul Halim Abdullah,  Dr., <br/><br/>
PEMBELAJARAN DAN PEMIKIRAN GEOMETRI VAN HIELE / 
ABDUL HALIM ABDULLAH, EFFANDI ZAKARIA 
 - x, 118 pages :  illustrations ;  22 cm. 
<br/><br/> Includes index 
<br/><br/>Bibliography: pages 109-114 
<br/><br/><label>ISBN: </label>9789834915759  RM15.00 
<br/><br/><label>Subjects--Uniform Titles: </label><br/>Geometer's Sketchpad  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geometry--Study and teaching  <br/>Geometry--Computer-assisted instruction  <br/>Government publications--Malaysia