Oppenheim, A.N. <br/><br/>
Questionnaire design and attitude measurement  text 

 - London  Heineman  1968 
 - 298p. 
<br/><br/><label>ISBN: </label>043582676X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Questionnaires<br/>Attitude measurement
<br/><br/><label>Dewey Class. No.: </label>OPP