A. M. . Filiptsov and M. A. . Lahun, “Methodology for assessing negative external effects in the ecological field”, Журнал Белорусского государственного университета. Экономика, no. 2, pp. 13–21, Dec. 2024, Accessed: Jul. 18, 2026. [Online]. Available: https://journals.bsu.by/index.php/economy/article/view/6303