Pawson Ray <br/><br/>
Realistic evalution 

 - London  Sage Pub        1997 
 - xvii,235p.  cm. 
<br/><br/><label>ISBN: </label>0761950087 (hbk) 
<br/><br/><label>Standard No.: </label>47,657 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>RESEARCH METHODS; CHEMISTRY
<br/><br/><label>Dewey Class. No.: </label>E:(:f), N7