Ader, Herman J.  <br/><br/>
Research methodology  in the life behavioural and social sciences 

 - London:  SAGE,  1999 
 - xvii,393p.;  23cm. 
<br/><br/><label>ISBN: </label>0761958843 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SOCIAL SCIENCE
<br/><br/><label>Dewey Class. No.: </label>300.72  / RES