Walker, Helen M. and Lev, Joseph <br/><br/>
Elementary Statistical Methods 

 - Calcutta  Oxford & IBH Publishing Co.  1943 
 - 302 
<br/><br/><label>Publisher. No.: </label> International 
<br/><br/><label>Subjects--Personal Names: </label> Statistics 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics