Narayan,, Deepa Participatory evaluation : tools for managing change in water and sanitation / Deepa Narayan

Participatory evaluation : tools for managing change in water and sanitation / Deepa Narayan . - Washington : World Bank, cop. 1993 . - XI, 122 p. : il. 28 cm . - (World Bank technical paper; 207)
0-8213-2477-2 (Brochado)

628.1