Sage quantitative research methods (vol.2)/ 
by Paul Vogt W (ed.) 
 - New Delhi:  Sage,  2011. 
 - 392p. 
<br/><br/><label>ISBN: </label>9781848606999 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research Methodology
<br/><br/><label>Dewey Class. No.: </label>001.42  / PAU/S