Heaford, John M. <br/><br/>
The Myth of the learning machine :  the theory and practice of computer based training / 
John M. Heaford. 
 - Wilmslow :  Sigma Technical Press,  1983. 
 - ix, 236 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer-assisted instruction.