Baker, Robert L. and Schutz, Richard E. <br/><br/>
Instructional product research 

 - New York  ; D. Van Nostrand  , 1972 
 - xxviii,314p. 
<br/><br/><label>ISBN: </label>0442278624  400 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Management<br/>Product Management<br/>Product Research
<br/><br/><label>Dewey Class. No.: </label>658.575  / BAK