THOMAS, P. J. System requirements engineering by V. Loucopoulos and V. Karakostas. Journal of Computer Science and Technology, [S. l.], v. 1, n. 05, p. 1 p., 2001. Disponível em: https://journal.info.unlp.edu.ar/JCST/article/view/987. Acesso em: 7 jun. 2023.