Frankle, Edna <br/><br/>
Guide to educational technology / 
by Edna and Charles Frankle 
 - Westport :  Technomic Publishing,  1971 
 - iv, 110 p. ;  28 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0877620660 
<br/><br/><label>LCCN: </label>78-174659 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching--Aids and devices--Directories<br/>Teaching--Aids and devices--Handbooks, manuals, etc.