Developing and using audio-visual materials in water supply and sanitation programs

Developing and using audio-visual materials in water supply and sanitation programs

Bibliografiska uppgifter
Huvudupphovsman: Karlin, Barry
Institutionell upphovsman: Water and Sanitation for Health Project (U.S.)
Övriga upphovsmän: Isely, Raymond B.
Materialtyp: Bok
Språk:English
Publicerad: Arlington, Va. WASH 1984.
Serie:WASH technical report no.30
Ämnen:
Water-supply > Audio-visual aids.
Sanitation > Audio-visual aids.
Water-supply > Instruction and study.
Sanitation > Instruction and study.
Water Supply > Programmed instruction.
Sanitation > Programmed instruction.