By Neuman, W. Lawrence <br/><br/>
Social research methods: qualitative and quantitative approaches 

 - 7th 
 - Noida  Pearson  2015 
 - 600p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social research methods
<br/><br/><label>Dewey Class. No.: </label>001.42  / NEU