Chopra, Ravi <br/><br/>
Reasoning N' reasoning / 
Chopra, Ravi 
 - 1st ed. 
 - Sev. p. : ill. ; 24 cm. 
<br/><br/><label>ISBN: </label>8185623015 
<br/><br/><label>Dewey Class. No.: </label>153.9