Cilliers, H.S. <br/><br/>
Selected questions and application Group statement/ 
H S Cilliers...[et al]. 
 - Durban :  Butterworths,  1988 
 - 334 p. :  ill. :  24cm. 
<br/><br/><label>ISBN: </label>0409103713 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Intelligent tutoring systems.<br/>Computer-assisted instruction.