Darley, John Gordon <br/><br/>
Vocational interest measurement :  theory and practice / 
by John G. Darley and Theda Hagenah. 
 - Minneapolis :  University of Minnesota Press,  1955. 
 - 279 p. :  illus. 
<br/><br/>Includes bibliography. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vocational interests.
<br/><br/><label>Dewey Class. No.: </label>371.425  / DAR.V