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"Media for instruction can be characterized as big (expensive) or little (inexpensive), but research evidence suggests that whether a student learns more from one medium than another depends at least as much on how the medium is used as on what medium is used. Thus, this report discusses not only ex ... more
"This report is the outcome of an expert mission, undertaken at the request of several Member States in the African region, by Unesco with the co-operation of the International Telecommunication Union and the Economic Commission for Africa. The mission approached its task from the point of view of t ... more
"El Centro Audiovisual Nacional del Ministerio de Educación inició sus actividades - en la línea de acción que hoy lo distingue - a fines de 1958 [...] la experiencia acumulada en todos estos años por el Centro Audiovisual Nacional le ha permitido definir dos grandes metas esenciales de trabajo ... more
"El autor pretende, con este estudio, intentar un análisis global del trabajo del agrónomo, llamado erróneamente "extensionista", como educador; pretende resaltar su indiscutible e importante tarea, junto a los campesinos (y con ellos), la cual no está correctamente comprendida en el concepto de ... more
"The intention of this publication is to provide practical advice and guidance on the use of radio and television broadcasting in adult education. It is addressed to educational planners and administrators, educators responsible for curriculum development and teaching methodology, field-work organiz ... more