工程变更对项目成本管理的影响研究——重庆奉云高速公路B18合同段工程变更经验浅析
공정변경대항목성본관리적영향연구——중경봉운고속공로B18합동단공정변경경험천석
Research on the Influence of Cost Management for the Alteration of Engineering:Experience in the Alteration of Engineering for the NO:B18 Contract Section of the Highway from Fengjie to Yunyang in Chongqing
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