Vieira , Allan Sarmento, e Isabel Lausanne Fontgalland. “Application of a Collection Model to Estimate the Revenue in the Sub-Basin of the Mamanguape River Located on the Coast of Paraíba State in Brazil Territory”. Seven Editora (abril 13, 2023). Acesso em agosto 21, 2025. https://sevenpubl.com.br/editora/article/view/964.