Bickman, Leonard(ed) <br/><br/>
Research design: Donald campbell's legacy 

 - New Delhi  Sage  2000 
 - XIII;247p 
<br/><br/><label>ISBN: </label>761910867 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Campbell, Donald Thomas<br/>Evaluation research (social action programmes)<br/>Experimental design<br/>Social sciences<br/>Social sciences-research<br/>Social sciences-research methodology