World Health Organization
WHO guidelines for the safe use of wastewater, excreta and graywater - - Geneva W H O 2006 - 100 p. 27 cm. - Policy and regulatory aspects vol.1. .
Water Supply, Agriculture, Waste Water Treatment
92 4 154682 4
Waste Water Treatment
Agriculture
Water Supply
WA675 / WHO
WHO guidelines for the safe use of wastewater, excreta and graywater - - Geneva W H O 2006 - 100 p. 27 cm. - Policy and regulatory aspects vol.1. .
Water Supply, Agriculture, Waste Water Treatment
92 4 154682 4
Waste Water Treatment
Agriculture
Water Supply
WA675 / WHO