The questionnaire as a data source /
Whitney, Douglas R.,
The questionnaire as a data source / Douglas r. whitney - 33 páginas
"this paper was prepared for the aera research training session on data collection in educational research and evaluation. april 8-12, 1972"
Entrevistas
Ciencias sociales--Investigación
BF76.5 / W45
The questionnaire as a data source / Douglas r. whitney - 33 páginas
"this paper was prepared for the aera research training session on data collection in educational research and evaluation. april 8-12, 1972"
Entrevistas
Ciencias sociales--Investigación
BF76.5 / W45