CAMPBELL, Donald T. Stanley, Julian C. <br/><br/>
Experimntal and quasi-experimental designs for research / 
[by] Donald T.Campbell, Julian C.Stanley 
 - London  Houghton Mifflin pub.  1963 
 - ix, 84 p. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>395307872 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Research
<br/><br/><label>Dewey Class. No.: </label>1.4  / CAM