Rather, Dr. A. R. <br/><br/>
Essentials of Instructional Technology 

 - 1st 
 - NEW DELHI  Discovery Publishing Pvt.Ltd  2011 
 - 263p. 
<br/><br/> 10516 
<br/><br/><label>ISBN: </label> 594 
<br/><br/><label>Dewey Class. No.: </label>371.33  RAT  A