Walker, Helen M. <br/><br/>
Elementary statistical methods 
by Helen M. Walker and Joseph Lev 
 - Calcutta  Oxford & IBH Publisher  1943 
 - xvi, 302p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Statistics.
<br/><br/><label>Dewey Class. No.: </label>I5511 W152