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

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

书目详细资料
主要作者: Karlin, Barry
企业作者: Water and Sanitation for Health Project (U.S.)
其他作者: Isely, Raymond B.
格式: 图书
语言:English
出版: Arlington, Va. WASH 1984.
丛编:WASH technical report no.30
主题:
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.