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

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

Detalhes bibliográficos
Autor principal: Karlin, Barry
Autor Corporativo: Water and Sanitation for Health Project (U.S.)
Outros Autores: Isely, Raymond B.
Formato: Livro
Idioma:English
Publicado em: Arlington, Va. WASH 1984.
coleção:WASH technical report no.30
Assuntos:
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.