統計資料
總造訪次數
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| Efficiency evaluation of bus transit firms with and without consideration of environmental air-pollution emissions | 2 |
本月總瀏覽
檔案下載
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國家瀏覽排行
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| 德國 | 1 |
縣市瀏覽排行
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| Efficiency evaluation of bus transit firms with and without consideration of environmental air-pollution emissions | 2 |
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| 德國 | 1 |
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