Guidelines for the safe use of wastewater and excreta in agriculture and aquaculture : measures for public health protection /
Mara, D. Duncan(David Duncan),1944-
Cairncross, Sandy.
World Health Organization.
United Nations Environment Programme.
Geneva : World Health Organization,
1989.
Published by the World Health Organization in collaboration with the United Nations Environment Programme.
Includes bibliographical references.
Water reuse
Sewage irrigation