Davey, D. Mackenzie <br/><br/>
Programmed instruction / 
D. Mackenzie Davey and P. McDonnell. 
 - London :  Institute of Personnel Management,  1964. 
 - 56 p. :  ill. ;  21 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>          Programmed instruction.
<br/><br/><label>Dewey Class. No.: </label>371.3944   / DAV