A. AL-AWAD , Nasir. Model Reduction of Continuous Systems by Modified Routh Array and Pade Approximation Technique. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 14, n. 2, p. 198–211, 2010. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1474.. Acesso em: 19 apr. 2025.