Heidt, Erhard U <br/><br/>
Instructional media and the individual learner  : a classification and systems appraisal 

 - London  ; Kogan Page  , 1978 
 - 174p. 
<br/><br/><label>ISBN: </label>0850380952   
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Instructions Media<br/>Mathod Of Instruction
<br/><br/><label>Dewey Class. No.: </label>371.3  / HEI