Das, R.C. <br/><br/>
Educational technology:  a basic text 

 - New Delhi:  Sterling,  1993 
 - ix, 242p.;  22cm. 
<br/><br/><label>ISBN: </label>8120715055 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schools and their special education
<br/><br/><label>Dewey Class. No.: </label>371.3078  / DAS