Night-soil composting
Shuval, Hillel I. Gunnerson, Charles G.
Night-soil composting - Washington World Bank 1981 - vi,81p.
Night Soil Disposal
Sewage Treatment
Sewage Disposal
624 / .354
Night-soil composting - Washington World Bank 1981 - vi,81p.
Night Soil Disposal
Sewage Treatment
Sewage Disposal
624 / .354