oppenheil,
questionnaire design and attitude measurement: a; - 1 - uk: heinemann 1966, - 298, ix. 22 - open university set book .
no index
includes references
0 435 82676 x (paper back):
n--
15 opp 301
questionnaire design and attitude measurement: a; - 1 - uk: heinemann 1966, - 298, ix. 22 - open university set book .
no index
includes references
0 435 82676 x (paper back):
n--
15 opp 301