000 00325 a2200133 4500
005 20260313100847.0
020 _a9789819900459
100 _aSHUAI,Q
245 _aE-commerce Industry Chain
260 _aSichuan
_bXian Jiaotong
_c2023
300 _aix,377p;ill;graph,table,
_c23cm
700 _alI,Z, ZHANG,Y
942 _2ddc
_cBKS
999 _c6802
_d6802