| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Organic Recycling in Africa: Papers Presented at the Fao-Sida Workshop on the Use of Organic Material As Fertilizers in Africa | 978-92-5-1OO945-1 (92-5-1OO945-7) | 1980 | Fao |
O T · S.O. · S. T. · S. W. · W. T.
SIDA Workshop on the Use of Organic Materials for Improving Soil