National Decade plans :
National Decade plans : eight questions they answer /
= Les plans nationaux pour la Dčennie : rp̌onse 8̉ questions = Planes nacionales para el Decenio : respuesta a ocho preguntas
International Drinking Water Supply and Sanitation Decade.
- Geneva : World Health Organization, 1982.
- 18 p.
ara eng fre spa.
9241560762
Water supply.
Drinking water.
Sanitation.
Health plan implementation.
WA 675
ara eng fre spa.
9241560762
Water supply.
Drinking water.
Sanitation.
Health plan implementation.
WA 675