Campbell, Donald Thomas  1916- <br/><br/>
Experimental and quasi-experimental designs for research/ 
Donald T. Campbell, Julian C. Stanley 
 - Boston  Houghton Mifflin  c1963 
 - 84p.  ill.  24cm 
<br/><br/> Available at Bintulu Branch.  "Originally appeared in N.L. Gage (editor), Handbook of research on teaching" 
<br/><br/><label>ISBN: </label>0395307872 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Experimental design.