HU Xun-feng
School of Economics and Management,Fuzhou University,Fuzhou 350108,ChinaLI Deng-feng
School of Economics and Management,Fuzhou University,Fuzhou 350108,ChinaLIU Jia-cai
School of Economics and Management,Fuzhou University,Fuzhou 350108,China;School of Traffic and Civil Engineering,Fujian Agriculture and Forestry University,Fuzhou 350002,ChinaZHANG Qing
School of Economics and Management,Fuzhou University,Fuzhou 350108,China;School of Mathematics and Statistics,Hainan Normal University,Haikou 571158,China