FILIPTSOV, Andrey M.; LAHUN, Marina A. Methodology for assessing negative external effects in the ecological field. Journal of the Belarusian State University. Economics, [S. l.], n. 2, p. 13–21, 2024. Disponível em: https://journals.bsu.by/index.php/economy/article/view/6303. Acesso em: 18 jul. 2026.