Das,M.N.NEW DELHI <br/><br/>
Statistical Methods and Concepts 

 - Ist 
 - NEW DELHI  Wiley Eastern Limited 
 - 256p. 
<br/><br/><label>ISBN: </label>8122401198 
<br/><br/><label>Dewey Class. No.: </label>519.5  / DAS-STA