Vásconez, Michelle,
Cuencas hidrográficas /
Michelle Váscone [and 5 others] ; Miguel Araque, coordinador.
- 1 online resource : illustrations.
Includes bibliographical references.
Watersheds--Ecuador.
Hydrology--Ecuador.
Water-supply--Ecuador.
Water resources development--Ecuador.
Electronic books.
HD1696.E2 ebook