Hardisty, David <br/><br/>
CALL / 
David Hardisty & Scott Windeatt 
 - Oxford :  Oxford University Press,  1989 
 - 165 p. :  ill. ;  25 cm. 
 - Resource books for teachers .
<br/><br/>Bibliography : p. 164-165 
<br/><br/><label>ISBN: </label>0194371050 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Programmed instruction<br/>Individualized instruction