Mohapatra, Promod Kumar <br/><br/>
Gyana Bigyana  ( First Question Answer Oriya Science Encyclopedia) 
/ by Promod Kumar Mohapatra 
 - 3rd.ed. 
 - Cuttack:  Pragyan Prakashani;  2009. 
 - 228p. 
<br/><br/><label>Dewey Class. No.: </label>520  / MOH/G