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Uma, K.O.

Egboka, B.C.E. et al., 1988. Positive implications of hand-dug wells in water resources planning and management in a developing economy such as in Nigeria. , pp.p. 98-105. Available at: https://es.ircwash.org/sites/default/files/212.5-5731.pdf.

Fecha publicación: 01/01/1970

Egboka, B.C.E. & Uma, K.O., 1988. Problems of rural water supplies in a developing economy: case studies of Anambra and Imo States of Nigeria. , pp.p. 33-45: fig., tab. Available at: https://es.ircwash.org/sites/default/files/205.2-3923.pdf.

Fecha publicación: 30/12/2004

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