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

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

Sonraí bibleagrafaíochta
Príomhchruthaitheoir: Karlin, Barry
Údar corparáideach: Water and Sanitation for Health Project (U.S.)
Rannpháirtithe: Isely, Raymond B.
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: Arlington, Va. WASH 1984.
Sraith:WASH technical report no.30
Ábhair:
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.