| 其他書名 | Issues and Policies |
| 出版 | International Development Research Centre, 1982 |
| 主題 | Business & Economics / Industries / AgribusinessTechnology & Engineering / Agriculture / Animal Husbandry |
| ISBN | 08893635369780889363533 |
| URL | http://books.google.com.hk/books?id=E8xFrI65Ap0C&hl=&source=gbs_api |
