檢索結果 - "Roads Developing countries"

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    Highway investment in developing countries proceeding ofthe conference 'Criteria for planning highway investment in developing countries`,sponsored by the Commission of the Europea...

    出版 1983
    主題: “...Roads Developing countries Maintenance and repair...”
    圖書
  2. 2

    Towards safer roads in developing countries : a guide for planners and engineers /

    出版 1991
    主題:
    圖書