It is presumed that such a contract modification has taken into account all prior negotiations and understandings leading up to its signing and also that the terms of each change order reflect proper consideration of these negotiations.
Initial reference
1.方三中．浅议建筑工程施工合同[J]．科技资讯，2007(21)：189
2.黄劲伟. 工程量清单计价的合同管理[J]．福建建设科技，2005，(6)：83
3.陈淑花．工程量清单计价模式下如何更好地履行合同[J]．中国新技术新产品，2008，(7)：14~17
4.何红锋.建设工程合同管理 [M].北京：机械工业出版社,2006.
5.丁晓欣.建设工程合同管理 [M].北京：化学工业出版社,2005.
6.朱昊.建设工程合同管理与案例评析[M].北京:机械工业出版社,2008,06，01.
7.李启明.土木工程合同管理 [M].南京:东南大学出版社, 2002．
8.贾孝良.浅谈建筑上的合同管理 [J].中国科技信息,2005,(24)
Work plan Contract management is an important part of project management. As the project manager, project contract management to enhance the awareness of risk prevention, the risk of possible future contract to a minimum, to have a cautious and conscientious attitude, take the law as the criterion. Continuously improve yourself in the future work, continue to strengthen the learning.