Brinberg, David. <br/><br/>
Validity and the research process / 

 - Beverly Hills :  Sage Publications,  c1985. 
 - 175 p. :  ill. ;  23 cm. 
<br/><br/> Includes indexes. 
<br/><br/><label>ISBN: </label>0803923031 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Social sciences
<br/><br/><label>Dewey Class. No.: </label>300 SAG 1985 A070 Or.