Champion, Dean J. <br/><br/>
Basic statistics for social research   
by Dean J. Champion. 
 - 2nd. 
 - New york  Macmillan Publishing Co.,inc.  1981 
 - xii, 452p. 
<br/><br/><label>ISBN: </label>0023206004 
<br/><br/><label>Dewey Class. No.: </label>658.3  / N803