De Bernardis, Amo. <br/><br/>
The use of instructional materials. 

 - New York :  Appleton-Century-Crofts,  [1960] 
 - Current problems in education .
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>60011479 /L 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Teaching -- Aids and devices.--Teaching -- Aids and devices.
<br/><br/><label>LC Class. No.: </label>LB1027  / .D35 
<br/><br/><label>Dewey Class. No.: </label>371.3