Levin, Jack <br/><br/>
Elementary statistics in social research 
Jach Levin, James Alan Fox. 
 - 7th ed. 
 - New York  Longman  1997 
 - xii, 419p.; 23cm. 
<br/><br/><label>ISBN: </label>673981177 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social Science Research-Statistical Methods Statistics. 
<br/><br/><label>Dewey Class. No.: </label>300.72  / L53E