00638nam a2200193Ia 4500 0000016793 20251012174548.0 810916s1979 fr i0 eng c 9264120270 TD927 307.72 Self-help and popular participation in rural water systems Duncan Miller Paris Development Centre, Organisation for Economic Co-operation and Development 1979 149 p. ill. 24 cm. At head of title: Development Centre Studies Bibliography: p.140-149 Rural development Water-supply, Rural 6231 6231