Pathak, R. P. <br/><br/>
Educational technology 

 - 1st ed. 
 - New Delhi  Pearson Education  2012 
 - xiii,269p.;  21cm. 
<br/><br/><label>ISBN: </label>9788131754290(pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Education
<br/><br/><label>Dewey Class. No.: </label>371  / PAT