Rather, A. R. <br/><br/>
Essentials of instructional technology   

 - New Delhi :   Discovery Publishing House ,   2004. 
 - 263 :  
<br/><br/><label>ISBN: </label>817141818X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schools & their activities special education
<br/><br/><label>Dewey Class. No.: </label>371.3  / RAT