Annual Member
United Nations. Environment Programme's books list
| No. | Title | Publish Year |
|---|---|---|
| 1. | Biogas fertilizer system : technical report on a training seminar inhina | 1981 |
| 2. | Trees as a guide to ecology : for every child a tree | 1982 |
| 3. | Combating desertification in China | 1982 |