@article {18569,
	title = {基于DEA方法的我国省际绿色全要素生产率评估{\textemdash}{\textemdash}不同模型选择的差异性探析},
	journal = {北大学报（自然科学版）},
	volume = {53},
	year = {2017},
	author = {冯杰、张世秋}
}
