Yan และผู้แต่งคนอื่นๆ. (2020) Study on risk weight of public private partnership project and its influencing factors. National Institute of Development Administration:ม.ป.ท.Yan และผู้แต่งคนอื่นๆ. 2020. Study on risk weight of public private partnership project and its influencing factors. ม.ป.ท.:National Institute of Development Administration;Yan และผู้แต่งคนอื่นๆ. Study on risk weight of public private partnership project and its influencing factors. ม.ป.ท.:National Institute of Development Administration, 2020. Print.