Qin Y and K-F Yan (2002). “Non-Uniform Evaluation Model of Mass Transit Hub Transfer Efficiency in Data Envelopment Analysis.” J Xi’an Highway University 22(4): 48.
Qin Y and K-F Yan (2002). “Non-Uniform Evaluation Model of Mass Transit Hub Transfer Efficiency in Data Envelopment Analysis.” J Xi’an Highway University 22(4): 48.