Cochron G. William  <br/><br/>
Sampling Techniques / 
William G.Cochran. 
 - 3rd ed. 
 - New Delhi:  Wiley Eastern Limited,  1977. 
 - xvi, 428 p. :  ill. ; 
<br/><br/> Includes Index  
<br/><br/><label>ISBN: </label>0852261217 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Simple Random Sampling 
<br/><br/><label>LC Class. No.: </label>QA 276.5 .C6 1977