Maximum utilization of manual labour for low-cost roads
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| Format: | Texto biblioteca |
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1974
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| Subjects: | FO CEF, ROADS, FORESTS, COSTS, PUBLIC WORKS, MANPOWER, LABOUR, FORESTRY, ECONOMICS, ROUTE, FORET, COUT, TRAVAUX PUBLICS, MAIN D'OEUVRE, TRAVAIL, CARRETERAS, BOSQUES, COSTOS, OBRAS PUBLICAS, MANO DE OBRA, TRABAJO, FORESTERIE, ECONOMIE, CIENCIAS FORESTALES, ECONOMIA, |
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