Guidelines for the use of wastewater and excreta in agriculture and aquaculture : measures for public health protection
MARA, Duncan
Guidelines for the use of wastewater and excreta in agriculture and aquaculture : measures for public health protection - Geneva 1989 - 187p
SEWAGE IRRIGATION -- SANITATION
AQUACULTURE -- SANITATION SEWAGE IRRIGATION -- SANITATION UANO -- SANITATION
614.76 M32G
Guidelines for the use of wastewater and excreta in agriculture and aquaculture : measures for public health protection - Geneva 1989 - 187p
SEWAGE IRRIGATION -- SANITATION
AQUACULTURE -- SANITATION SEWAGE IRRIGATION -- SANITATION UANO -- SANITATION
614.76 M32G