Oppenheim, A. N. <br/><br/>
Questionnaire design and measurement 
by A. N. Oppenheim 
 - London  Heinemann  1966 
 - ix, 298p 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Questionnaires<br/>Attitude (Psychology) --Testing
<br/><br/><label>Dewey Class. No.: </label>I5514 Op5