Sharma, Yogendra K. <br/><br/>
Fundamental aspects of educational technology   

 - 2nd edition. 
 - New Delhi :   Kaniska Publishers, Distributors ,   2004. 
 - 254 :  
<br/><br/><label>ISBN: </label>8173915970 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Schools & their activities special education
<br/><br/><label>Dewey Class. No.: </label>371.3  / SHA