R.P. Pathak & Jagadeesh Chaudhary <br/><br/>
Education Technology 

 - Chennai  Pearson  2012 
 - xvii, 269p. 
<br/><br/> It includes glossary. 
<br/><br/><label>ISBN: </label>9788131754290 
<br/><br/><label>Dewey Class. No.: </label>371.33