Evaluating the CO performance of China's non-ferrous metals Industry: A total factor meta-frontier Malmquist index perspective
Ferrous and Non-Ferrous Metals
Ferrous metals
Environmental regulation and energy-environmental performance—Empirical evidence from China's non-ferrous metals industry
Ferrous and non-ferrous metals
Analysis of potential energy conservation and CO emissions reduction in China's non-ferrous metals industry from a technology perspective
Regional energy-environmental performance and investment strategy for China's non-ferrous metals industry: a non-radial DEA based analysis