TASKOVSKI, Dimitar; KITANOVSKI, Vlado; BOGDANOVA, Sofija. Web Based Tools for Signals and Systems Course. International Journal of Online and Biomedical Engineering (iJOE), [S. l.], v. 5, n. 2, p. pp. 30–33, 2009. DOI: 10.3991/ijoe.v5i2.896. Disponível em: https://online-journals.org/index.php/i-joe/article/view/896. Acesso em: 3 may. 2024.