AV instructional technology manual for independent study / 
prepared by William G. Allan... [et al.] ; edited by James W. Brown, Richard B. Lewis. 
 - 5th ed. 
 - New York:   McGraw-Hill,   1977.  
 - viii, 184 p. :  ill. ;  28 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0070081700 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual education<br/>Audio-visual materials
<br/><br/><label>Dewey Class. No.: </label>371.335