id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
ijassa-521	Ratner, Svetlana Valerievna; Ratner, Pavel Dmitrievich	Developing a Strategy of Environmental Management for Electric Generating Companies Using DEA-Methodology	2017	15	.pdf	application/pdf	6190	277	46	The effect of heating technologies on CO2 and energy efficiency of Dutch greenhouse firms, Journal of Environmental Management, 68, 73–82 [17] Piskunov, A.A., Ivanyuk, I.I., Danilina, Ye.P., Lychev, A.V. & Krivonozhko, V.Ye. (2008) When using the first approach, the overall efficiency of a company may be divided into technical/economic efficiency, defined as a ratio of the weighted sum of wanted outputs to the weighted sum of inputs, and ecologic efficiency, which is defined as the ratio of weighted sums of wanted and unwanted outputs.	cache/ijassa-521.pdf	txt/ijassa-521.txt