‡a
Author's China's regional environmental efficiency evaluation: a dynamic analysis with biennial Malmquist productivity index based on common weights
‡a
chinasregionalenvironmentalefficiencyevaluationadynamicanalysiswithbiennialmalmquistproductivityindexbasedoncommonweights
‡A
China's regional environmental efficiency evaluation: a dynamic analysis with biennial Malmquist productivity index based on common weights
‡9
1