TY  - BOOK
AU  - Black, Maggie
TI  - From handpumps to health: the evolution of water and sanitation programmes in Bangladesh, India and Nigeria 
SN  - 92-806-0051-6
AV  - TD929 B53
PY  - 1990///
CY  - New York, n. y.
PB  - United nations children's fund
KW  - Bombas de mano
KW  - Aguas residuales rurales
KW  - Asia
KW  - Abastecimiento de agua en la agricultura
ER  -