Neuman, William Lawrence <br/><br/>
Social research methods :  qualitative and quantitative approaches / 
W. Lawrence Neuman 
 - Boston :  Allyn and Bacon,  1991 
 - 545 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0205128165 
<br/><br/><label>LCCN: </label>90-021558 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociology--Research--Methodology