| 其他書名 | Problems & Prospects : Proceedings of the NEST Annual Workshop Held in October 1990 in Kano, Nigeria |
| 出版 | Nigerian Environmental Study/Action Team, 1991 |
| ISBN | 97831203289789783120327 |
| URL | http://books.google.com.hk/books?id=Bgi3AAAAIAAJ&hl=&source=gbs_api |