Campbell, Donald Thomas, <br/><br/>
Experimental and quasi-experimental designs for research 
Donald T. Campbell, Julian C. Stanley. 
 - Boston  Houghton Mifflin  c1963. 
 - ix, 84 p.  ill.  24 cm. 
<br/><br/> "Reprinted from Handbook of research on teaching." 
<br/><br/>Includes bibliographies and indexes. 
<br/><br/><label>ISBN: </label>0395307872 
<br/><br/><label>LCCN: </label>81080806  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Experimental design.<br/>Science<br/>Research Design