Environment and development in Africa a study
| Корпоративные авторы: | , | 
|---|---|
| Формат: |  | 
| Язык: | English | 
| Опубликовано: | Oxford
          For the United Nations Environment Programme by Pergamon Press
    
        c1981. | 
| Серии: | UNEP studies
              v. 2 | 
| Предметы: |