Much of the world’s population lacks adequate clean water, either because of physical scarcity or because they are denied equitable access to water resources. Such conditions inevitably breed...
The first edition of this manual was published by the World Health Organization in 1998. since then, a great deal has been learned about how to successfully implement PHAST. This manual provides...
Much of the world’s population lacks adequate clean water, either because of physical scarcity or because they are denied equitable access to water resources. Such conditions inevitably breed...