Donaldson Stewart I <br/><br/>
What counts as credible evidence in applied research and evaluation practice. 
Donaldson Stewart I; Christina A. Christie 
 - Los  Angles Sage           2009 
 - xviii, 265p.  cm. 
<br/><br/> Bibliography: Chapterwise 
<br/><br/><label>ISBN: </label>9781412957076  1726.0599999999999 
<br/><br/><label>Source: </label> 27317, 19/03/2009, Segment Book Distrobutors  General Book 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Economics
<br/><br/><label>Dewey Class. No.: </label>Yb4, P9