Heidt, Erhard U. <br/><br/>
Instructinoal Media and the individual Learner   

 - London :   Kogan Page Limited ,   1976. 
 - 174 Pages;  
<br/><br/><label>ISBN: </label>0850380952 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational Technology
<br/><br/><label>Dewey Class. No.: </label>371.33  / HEI