Campbell, Donald T.  1916-1996. <br/><br/>
Experimental and quasi-experimental designs for research / 
[by] Donald T. Campbell [and] Julian C. Stanley. 
 - Chicago :  R. McNally,   c1963 [printing 1969] 
 - ix, 84 p. :  ill. ;  24 cm. 
<br/><br/> "Originally appeared in N. L. Gage (editor), Handbook of research on teaching." 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Experimental design.
<br/><br/><label>Dewey Class. No.: </label>300.184  / CAE 1969