Levin, Jack. <br/><br/>
Elementary Statistics In Social Research / 
by Jack Levin and James Alan Fox. 
 - 9th ed. 
 - 480 p. 
<br/><br/><label>ISBN: </label>9789812471604 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research--Philippines--2004--newsprint.