Snedecor, George W. and Cochran, William G. <br/><br/>
Statistical Methods 

 - 6 
 - Calcutta  Oxford & IBH Publishing Co.  1937 
 - 593 
<br/><br/><label>Publisher. No.: </label> Specialised Book Service 
<br/><br/><label>Subjects--Personal Names: </label> Zoology 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Zoology