Rowell, John. <br/><br/>
Educational media selection centres :    identiication and analysis of current practices /  
John Rowell, M.Ann Heidreder. 
 - Chicago :    American Library Association,    1971 
 - ix,177 p. :    ill. ;    23 cm. 
<br/><br/><label>ISBN: </label>0838900887 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Intructional materials Centres.
<br/><br/><label>Gov. Doc. Class. No.: </label>027.7