Kraemer, H. C.   <br/><br/>
How many subjects  Statical power analysis in research 
by H. C. Kraemer. 
 - New Delhi  Sage Publications  1987 
 - 119p 
<br/><br/><label>ISBN: </label>0803929498   
<br/><br/><label>Dewey Class. No.: </label>001.422  / KRA