Abraham, S.  <br/><br/>
A text book of statistics / 
by S. Abraham 
 - 3rd ed. 
 - Changanacherry :  St Marys Press  & Book Depot ,  1971 . 
 - 408 p.  Hard Back 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Collection of data<br/>Dispersion<br/>Sampling
<br/><br/><label>Dewey Class. No.: </label>519.5  / ABR-T