Oppenheim, Abraham Naftali
Questionnaire design and Attitude Measurement .-- London : Heinemann , 1968
.--IX, 298 p. 22 cm.
043582676X
PSICOLOGIA
SOCIOLOGIA
Questionnaire design and Attitude Measurement .-- London : Heinemann , 1968
.--IX, 298 p. 22 cm.
043582676X
PSICOLOGIA
SOCIOLOGIA