Minor, Ed <br/><br/>
Preparing visual instructional materials 

 - New york  Mcgraw hill book company  1962 
 - ix,123p. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education<br/>Methods of instruction
<br/><br/><label>Dewey Class. No.: </label>371.3  / MIN