Das, M.N. . <br/><br/>
Statistical methods and concepts /  
M.N.Das. 
 - New Delhi :   Wiley Eastern ,   1989. 
 - xii,256p :   ill.,figs.,tables ;   23cm .  
<br/><br/>includes index 
<br/><br/><label>ISBN: </label>8122401198  NULL 
<br/><br/><label>Dewey Class. No.: </label>519.5  / DAS/S