Wiman, Raymond V. <br/><br/>
Instructional materials :  an illustrated handbook of ideas, skills and techniques for producing and aud : ovisual materials / 
Raymond V. Wiman. 
 - Worthington, Ohio :  Charles A. Jones,  1972. 
 - vi, 170 p. :  ill. ;  26 cm. 
<br/><br/>Includes bibliographical references (p. 159-168) and index. 
<br/><br/><label>ISBN: </label>083960002X 
<br/><br/><label>LCCN: </label>71-181380 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching--Aids and devices.<br/>Audio-visual equipment.