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

 - London  Heinemann  1973 
 - ix, 298p. 
<br/><br/><label>ISBN: </label>043582676x 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Questionaire design
<br/><br/><label>LC Class. No.: </label>MED. BF378  / A7506