Botsula Oleksandr, Kolmakova Valentyna, Patoka Iryna, Reznik Nadiia. “Ecosystem Approach to the Assessment of Economic Damage from Environmental Pollution in Ukraine”. International Journal of Advanced Science and Technology, Vol. 29, no. 9s, May 2020, pp. 4582 -89, https://sersc.org/journals/index.php/IJAST/article/view/17167.