Black, Thomas R <br/><br/>
Evaluating social science research : an introduction, by Thomas R Black 
Thomas , R.  Black 
 - London  Sage Publications  1993 
 - viii, 183p.;  25cm. 
<br/><br/><label>ISBN: </label>0803988524 
<br/><br/><label>Dewey Class. No.: </label>300.72  /   BLA