Wittich, Walter A. and Schuller, charles F. <br/><br/>
Instructional technology its nature and use 

 - 5th ed. 
 - London  ; Harper & Row  , 1973 
 - xvii,737p. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology
<br/><br/><label>Dewey Class. No.: </label>600  / WIT