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

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

Opis bibliograficzny
1. autor: Karlin, Barry
Korporacja: Water and Sanitation for Health Project (U.S.)
Kolejni autorzy: Isely, Raymond B.
Format: Książka
Język:English
Wydane: Arlington, Va. WASH 1984.
Seria:WASH technical report no.30
Hasła przedmiotowe:
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.