載入...
Agricultural extension
| 主要作者: | |
|---|---|
| 其他作者: | |
| 格式: | Printed Book |
| 語言: | Undetermined English |
| 出版: |
England
Longman Scientific and Technical
1988
|
| 主題: |
Kerala Agricultural University
| 索引號: |
630 .715 BAN/AG |
|---|