Guthrie, Gerard. <br/><br/>
Basic research methods :  an entry to social science research / 
Gerard Guthrie. 
 - 1st ed. 
 - Los Angeles :  Sage,  2010. 
 - xviii, 221 p. 
<br/><br/><label>ISBN: </label>8132104575 : 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research.<br/>social sciences--research.--methodology