Brelet-Rueff, C.

Brelet-Rueff, C., 1997. Helping children in the humid tropics : water education, (IHP Humid tropics programme series no. 11) Paris, France: UNESCO International Hydrological Programme, UNESCO-IHP. Available at: https://es.ircwash.org/sites/default/files/Brelet-Rueff-1997-Helping.pdf.