J.K.CHOPRA. <br/><br/>
Devlopment in the filed of science & Technology  communications & space  Textual Documents 

 - 2010. 
 - Delhi  Unique Publicastion,  2010 
 - 148p. 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Index Terms: </label>Technology 
<br/><br/><label>Dewey Class. No.: </label>600  / CHO