Gupta, S.P. <br/><br/>
Practical Statistics / 
S.P. Gupta. 
 - India :  S. CHAND & COMPANY LTD,  1993. 
 - 559 p. :  ill;  18 cm. 
<br/><br/><label>Dewey Class. No.: </label>519.502  / GUP 1993