| 其他書名 | Planning, Design, Operation and Maintenance |
| 出版 | Food and Agriculture Organization of the United Nations (FAO), Sub-Regional Office for East and Southern Africa (SAFR), 2001 |
| ISBN | 07974231849780797423183 |
| URL | http://books.google.com.hk/books?id=n_1HAAAAYAAJ&hl=&source=gbs_api |