NANDA (S);DAS (N R). <br/><br/>
Fuzzy mathematical concepts. 

 - New Delhi  Narosa Publishing House  2010 
 - x,10.12  PB 
<br/><br/><label>ISBN: </label>9788184870169 
<br/><br/><label>Dewey Class. No.: </label>511 NANS