Ribas, Luiz César, Miguel Angel Sarmiento, Eliane Araújo Robusti, and João Paulo Pereira Duarte. “Ecological-Economic Zoning As an Instrument for the Protection of Water Source Areas: A Case Study in Brazil”. Technical and Scientific Journal Green Cities 13, no. 44 (August 10, 2025). Accessed January 8, 2026. https://publicacoes.amigosdanatureza.org.br/index.php/cidades_verdes/article/view/6004.