Powerful images slide programmes and filmstrips to inform, motivate and train in developing countries planning, production and use guide.

Powerful images slide programmes and filmstrips to inform, motivate and train in developing countries

Bibliografiske detaljer
Format: Bog
Sprog:English
Udgivet: Rome Food and Agriculture Organization of the United Nations 1990.
Fag:
Audio-visual materials.
Audio-visual equipment.
Educational technology.