Campbell, Donald Thomas,  1916- <br/><br/>
Experimental and quasi-experimental designs for research / 
[by] Donald T. Campbell [and] Julian C. Stanley 
 - Chicago :  R. McNally ,  1963 
 - ix, 84 p. :  ill. ;  24 cm. 
<br/><br/> 'Originally appeared in N. L. Gage (editor), Handbook of research on teaching.' 
<br/><br/>Includes bibliographies 
<br/><br/><label>ISBN: </label>0395307872 
<br/><br/><label>LCCN: </label>81-80806 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Experimental design