Bernard, H. Russell <br/><br/>
Social Research Methods:  Qualitative and Quantitative Approaches / 
H. Russell Bernard. 
 - London:  Sage;  2000. 
 - 123p.:  ill. ; 
<br/><br/><label>ISBN: </label>076191403X  
<br/><br/><label>Dewey Class. No.: </label>R-300.7  / BER-S