Gupta, S.P. <br/><br/>
Statistical methods 
S.P. Gupta 
 - 26th ed. 
 - New Delhi  Sultan Chand& sons  1991 
 - xxi, R.212p. 
<br/><br/><label>Subjects--Index Terms: </label>Statistics 
<br/><br/><label>Dewey Class. No.: </label>519  / GUP