Manual on the planning of labour-intensive road construction
| Autor principal: | |
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| Altres autors: | , |
| Format: | Llibre |
| Idioma: | English |
| Publicat: |
Geneva
International Labour Office
1977.
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| Matèries: |
| Autor principal: | |
|---|---|
| Altres autors: | , |
| Format: | Llibre |
| Idioma: | English |
| Publicat: |
Geneva
International Labour Office
1977.
|
| Matèries: |