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

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

Xehetasun bibliografikoak
Egile nagusia: Karlin, Barry
Erakunde egilea: Water and Sanitation for Health Project (U.S.)
Beste egile batzuk: Isely, Raymond B.
Formatua: Liburua
Hizkuntza:English
Argitaratua: Arlington, Va. WASH 1984.
Saila:WASH technical report no.30
Gaiak:
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.