Schmidt, Magda   <br/><br/>
Die hart se wiskunde / 
Author; Magda Schmidt ; + Cover illustration: Dean Kelly 
 - First print 
 - Pretoria  Treffer-Boekklub  © 2003 
 - 152 pages :  21 cm 
<br/><br/><label>ISBN: </label>9780799331240 (hardback) 
<br/><br/><label>Dewey Class. No.: </label>AF SCHM