SHAH, T.R. DFD Schema: A versatile approach for XML based representation of DFD. International Journal of Computer Sciences and Engineering, [S. l.], v. 6, n. 8, p. 332–338, 2018. DOI: 10.26438/ijcse/v6i8.332338. Disponível em: https://ijcse.isroset.org/index.php/j/article/view/3165. Acesso em: 2 feb. 2026.