Educational Testing Service & Education Development Center. (1970). Analysis of an approach to open education: Interim report of a study conducted by Educational Testing Service in cooperation with participants in the Follow Through program of Education Development Center. Educational Testing Service.
Citación estilo ChicagoEducational Testing Service and Education Development Center. Analysis of an Approach to Open Education: Interim Report of a Study Conducted by Educational Testing Service in Cooperation with Participants in the Follow Through Program of Education Development Center. Princeton, N. J: Educational Testing Service, 1970.
Cita MLAEducational Testing Service and Education Development Center. Analysis of an Approach to Open Education: Interim Report of a Study Conducted by Educational Testing Service in Cooperation with Participants in the Follow Through Program of Education Development Center. Educational Testing Service, 1970.