Cohen, Jacob <br/><br/>
Statistical power analysis for the behavioural sciences / 
Jacob Cohen 
 - New York :  Academic press,  1976 
 - 474 p.:  ill.; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0121790606 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences 
<br/><br/><label>LC Class. No.: </label>HA29 .C66 1976