Rudneva LN, Pchelintseva IG, Guryeva MA. The Indicative System of Assessing the Level of Ecologization in the Context of the Region’s Sustainable Development. IJEFI [Internet]. 2016 May 9 [cited 2024 Dec. 23];6(1S):227-32. Available from: https://econjournals.com./index.php/ijefi/article/view/2383