其他書名 | Proceedings of the Third Workshop of the West Africa Animal Traction Network, Held 7-12 July 1988, Saly, Senegal |
出版 | Technical Centre for Agricultural and Rural Cooperation, 1990 |
ISBN | 92908104679789290810469 |
URL | http://books.google.com.hk/books?id=NQ1JAAAAYAAJ&hl=&source=gbs_api |