@article {27985,
	title = {A HYBRID MEASURE OF ENERGY EFFICIENCY BASED ON FUZZY DEA WITH UNDESIRABLE CONSTRAINTS: AN EMPIRICAL ANALYSIS FOR G20 COUNTRIES},
	journal = {ICIC express letters. Part B, Applications: an international journal of research and surveysICIC express letters. Part B, Applications: an international journal of research and surveys},
	volume = {8},
	number = {4},
	year = {2017},
	pages = {735-742},
	isbn = {2185-2766},
	author = {Wang, Xiaoling and HE, FENG and RUAN, JUNHU and Weber, Olaf}
}
