Gerlach, Vernon S. <br/><br/>
Teaching & Media : a systematic approach 

 - New jersey:  Prentice Hall,  1980. 
 - x, 420p.;  24cm 
<br/><br/><label>ISBN: </label>0138913587 
<br/><br/><label>Subjects--Topical Terms: </label><br/>English Language
<br/><br/><label>Dewey Class. No.: </label>407.35  / GER