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

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

Bibliografiset tiedot
Päätekijä: Karlin, Barry
Yhteisötekijä: Water and Sanitation for Health Project (U.S.)
Muut tekijät: Isely, Raymond B.
Aineistotyyppi: Kirja
Kieli:English
Julkaistu: Arlington, Va. WASH 1984.
Sarja:WASH technical report no.30
Aiheet:
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.