Kostova, Snezhanka; Trendafilov, Nickolay; Popova, Silviya and Georgieva, Nonka
(2010).
Eco-efficiency: concept, approaches and assessment.Bulgarian Journal of Meteorology and Hydrology, 15(1)
pp. 118–128.
This list was generated on Thu May 23 22:32:37 2013 BST.