Eco-efficiency in the Bohai Rim area based on undesirable outputs and threshold regression model
Zenglin HAN, Ailing WU, Fei PENG, Jiaze SUN, Kang XIA
PROGRESS IN GEOGRAPHY ›› 2018, Vol. 37 ›› Issue (2) : 255-265.
Eco-efficiency in the Bohai Rim area based on undesirable outputs and threshold regression model
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