D. P. , Sankhala <br/><br/>
Educational technology / 
Sankhala d. p. 
 - New delhi ;  Adhyayan publishers and distributors ,  2006 
 - 204 p . ;  ill.  22 cm. 
<br/><br/><label>ISBN: </label>8184350082 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology
<br/><br/><label>Dewey Class. No.: </label>371.3  / PAR P06E