Neuman W Lawrence <br/><br/>
Social Research Methods:   Qualitative and Quantitative Approaches / 
W.Lawrence Neuman 
 - Fourth edition. 
 - Boston :   Allyn and Bacon ,  1999. 
 - 558 p. 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>205297714 
<br/><br/><label>LC Class. No.: </label>HM48 NEU 1999