Black, Thomas R. <br/><br/>
Understanding social science research / 
Thomas R. Black 
 - 2nd ed. 
 - London :  SAGE Publications,  2002 
 - ix, 272 p. :  ill. ;  25 cm. 
<br/><br/> Previous ed. : 1993 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0761973699 (pbk.)  RM123.34 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences--Research--Evaluation