Research on the Selection of the Contractor for the Government to Purchase Operation and Maintenance Services for Small and Medium-sized Water Conservancy Projects

LIU Yong-qiang, CHEN Jiang-ru, YAO Xiu-lan, WU Hao

China Rural Water and Hydropower . 2023, (9): 97 -102 . DOI: 10.12396/znsd.222136