Guide to tools and equipment for labour-based road construction.
| 格式: | 圖書 |
|---|---|
| 語言: | English |
| 出版: |
Geneva
International Labour Office
1981.
|
| 叢編: | A WEP study
|
| 主題: |
| 格式: | 圖書 |
|---|---|
| 語言: | English |
| 出版: |
Geneva
International Labour Office
1981.
|
| 叢編: | A WEP study
|
| 主題: |