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"Production and safety efficiency evaluation in Chinese coal mines: ..."
Malin Song et al. (2020)
- Malin Song, Jianlin Wang
, Jiajia Zhao, Tomas Balezentis, Zhiyang Shen
:
Production and safety efficiency evaluation in Chinese coal mines: accident deaths as undesirable output. Ann. Oper. Res. 291(1): 827-845 (2020)

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