DETONI, A. A.; FONSECA, L. B. R.; ALMEIDA, J. P. A.; FALBO, R. A. A Reference Ontology for Budgetary Authorization and Execution of Public Expenditure. iSys - Brazilian Journal of Information Systems, [S. l.], v. 11, n. 3, p. 4–53, 2018. DOI: 10.5753/isys.2018.369. Disponível em: https://journals-sol.sbc.org.br/index.php/isys/article/view/369. Acesso em: 3 jul. 2024.