Cite
A Multi-stage Malmquist-Luenberger Index to Measure Environmental Productivity in China's Iron and Steel Industry.
MLA
Zhu, Liyun, and Feng He. “A Multi-Stage Malmquist-Luenberger Index to Measure Environmental Productivity in China’s Iron and Steel Industry.” Applied Mathematical Modelling, vol. 103, Mar. 2022, pp. 162–75. EBSCOhost, https://doi.org/10.1016/j.apm.2021.10.034.
APA
Zhu, L., & He, F. (2022). A Multi-stage Malmquist-Luenberger Index to Measure Environmental Productivity in China’s Iron and Steel Industry. Applied Mathematical Modelling, 103, 162–175. https://doi.org/10.1016/j.apm.2021.10.034
Chicago
Zhu, Liyun, and Feng He. 2022. “A Multi-Stage Malmquist-Luenberger Index to Measure Environmental Productivity in China’s Iron and Steel Industry.” Applied Mathematical Modelling 103 (March): 162–75. doi:10.1016/j.apm.2021.10.034.