Siddiqui, Mujibul Hasan <br/><br/>
Challenges of educational technology 
Mujibul Hasan Siddiqui 
 - New Delhi  A P H Publication  2004 
 - vi,358p.;  22cm 
<br/><br/><label>ISBN: </label>81-7648-572-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Educational technology <br/>Education--Aids and devices
<br/><br/><label>Dewey Class. No.: </label>371.3028  / SID