ABDULAZIZ ALI, Sami. DESIGN FUZZY PID CONTROLLER FOR NONLINEAR SYSTEMS. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 21, n. 6, p. 178–185, 2017. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/496.. Acesso em: 4 jul. 2025.