INDIRA C.V ed. <br/><br/>
Pogo:  Book of science / 
edited by C.V.Indira,Khatakoli Dasgupta,Rituparna Sengupta 
 - New Delhi :  BPI India Pvt Ltd,  2008 
 - 64 p. :  ill. 
<br/><br/><label>ISBN: </label>9788176937078 (pbk) :  15.90 BND