2 Электронные книги William J. Cosgrove
William J. Cosgrove & Frank R. Rijsberman: World Water Vision
More than a billion people cannot get safe drinking water; half the world»s population does not have adequate sanitation; within a generation over three billion will be suffering from water stress. …
PDF
DRM
€35.83
William J. Cosgrove & Frank R. Rijsberman: World Water Vision
More than a billion people cannot get safe drinking water; half the world»s population does not have adequate sanitation; within a generation over three billion will be suffering from water stress. …
EPUB
DRM
€36.06
