Babbie, Earl R. <br/><br/>
The practice of social research / 
Earl Babbie 
 - 11th ed. 
 - Belmont, CA :  Thomson Wadsworth,  2007 
 - xxiv, 511, [66] p. :  ill.  ;  24 cm. 
<br/><br/>
<br/><br/><label>ISBN: </label>0495187380 9780495187387  RM130.80 0495093254 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research<br/>Social sciences--Methodology<br/>Behavioral Research--methods<br/>Data Collection
<br/><br/><label>National Library of Medicine Call No.: </label>WA20.5.B113p 2007