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

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

מידע ביבליוגרפי
מחבר ראשי: Karlin, Barry
מחבר תאגידי: Water and Sanitation for Health Project (U.S.)
מחברים אחרים: Isely, Raymond B.
פורמט: ספר
שפה:English
יצא לאור: Arlington, Va. WASH 1984.
סדרה:WASH technical report no.30
נושאים:
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.