House,R.Enest. <br/><br/>
Evaluating with validity. 

 - ed. 
 - london :  Sage publications,  1980. 
 - 294  p. ;    cm. 
<br/><br/>index. 
<br/><br/><label>ISBN: </label> $ 
<br/><br/><label>Subjects--Topical Terms: </label><br/>social scince.