Brown, James W <br/><br/>
AV instructional technology manual for independent study 

 - 4th ed. 
 - New York:  mcGraw-Hill,  1973. 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>070081611 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Instructional materials centres 
<br/><br/><label>Dewey Class. No.: </label>371.33  / BRA