Assis, Lilian Figueirôa de, Allan Sarmento Vieira, and Marcos Macri Olivera. “Pricing to Equate Environmental Sanitation Services, in the City of Sousa, in the State of Paraíba, Brazil”. Revista Verde de Agroecologia e Desenvolvimento Sustentável 13, no. 4 (October 1, 2018): 544–556. Accessed November 25, 2024. https://gvaa.com.br/revista/index.php/RVADS/article/view/5446.