PAIDERS, Juris. Status of environmental protection as a source of finance for regional economic development: Measurement of environmental and regional policy with the fisher function. Journal of Environmental Engineering and Landscape Management, [S. l.], v. 16, n. 1, p. 45–55, 2008. DOI: 10.3846/1648-6897.2008.16.45-55. Disponível em: https://journals.vilniustech.lt/index.php/JEELM/article/view/6614. Acesso em: 9 may. 2025.