Chritensen, Larry B. <br/><br/>
Experimental methodology 

 - 4nd ed 
 - Boston  Allyn and Bacon  1988 
 - xii, 484  Hb 
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>
<br/><br/><label>Dewey Class. No.: </label>150.724