Campbell, Donald Thomas.  1916- <br/><br/>
Experimental and quasi-experimental designs for research / 
Donald T. Campbell, Julian C. Stanley. 
 - Chicago :  McNally,  c1963. 
 - ix, 84 p.  illus  24 cm 
<br/><br/> "Originally appeared in N. L. Gage (editor), Handbook of research on teaching." 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Experimental design.
<br/><br/><label>Dewey Class. No.: </label>300.184