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Journal: Energies, 2020
Volume: 13
Number: 4902
Article:
Performance Assessment Based on the Relative Efficiency of Indian Opencast Coal Mines Using Data Envelopment Analysis and Malmquist Productivity Index
Authors:
by
Biswaranjita Mahapatra, Chandan Bhar and Sandeep Mondal
Link:
https://www.mdpi.com/1996-1073/13/18/4902
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