Y. W. Chen, “Evaluation on the Efficiency of the Input and Output of Science and Technology Based on Composite DEA and Malmquist Index,” Operations Research and Management Science, Vol. 20, No. 6, 2011, pp. 196204.
 P. Yao and Y. N. Qi, “Evaluation and Comparative Analysis on Technological Innovation Efficiency of Coal Cities—Taking Shanxi Province and Heilongjiang Province as Examples,” Forum on Science and Technology in China, No. 7, 2011, pp. 32-37.
 Z. J. Feng and J. X. Zhu, “Study of Strategies and Two Stage Efficiency Evaluation of China’s Regional Science and Technology Innovation,” Science & Technology Progress and Policy, Vol. 28, No. 6, 2011, pp. 103-107.
 R. Fare and S. Grosskopf, “Network DEA,” Socio-Economic Planning Sciences, Vol. 34, No. 1, 2000, pp. 3549. http://dx.doi.org/10.1016/S0038-0121(99)00012-9
 H. Y. Wang and Y. S. Zhang, “The Research on TwoStage DEA Projection Generation Problems—Evaluate the Operational Performance of List Bank in China Stock Market,” Chinese Journal of Management Science, Vol. 20, No. 2, 2012, pp. 114-120.
 L. Liang, W. D. Cook and J. Zhu, “DEA Models for Two-Stage Processes: Game Approach and Efficiency Decomposition,” Naval Research Logistics, Vol. 55, No. 7, 2008, pp. 643-653.
 T. R. Sexton and H. F. Lewis, “Two-Stage DEA: An Application to Major League Baseball,” Journal of Productivity Analysis, Vol. 19, No. 2-3, 2003, pp. 227-249.
 H. F. Lewis and T. R. Sexton, “Data Envelopment Analysis with Reverse Inputs and Outputs,” Journal of Productivity Analysis, Vol. 21, No. 2, 2004, pp. 113-132.
 S. Y. Pang and D. Z. Chen, “A Study on the Relationship between R&D Inputs and Patents: Panel Data Analysis of Top Global Companies by R&D Investment,” Studies in Science of Science, Vol. 27, No. 10, 2009, pp. 1500-1505.
 Q. S. Meng, W. X. Han and R. Jin, “Study of the Coordinating Model for the Co-System of Science and Technology and Economy,” Journal of Tianjin Normal University (Natural Science Edition), Vol. 18, No. 4, 1998, pp. 8-12.