Berry, John S. <br/><br/>
Learning mathematics through derive /  [Books]. 
John S.Berry, Edward Graham and Antony J. Watkins.  
 - New York :   Ellis Horwood.   1993 
 - 371 pages:  23 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0130375322 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics--Study and teaching.