K. RADI, Samira; A. FARAJ, Yahya; AMSAD, Yousif. Theoretical Design of a Ball Balancing on Plate Controller. Journal of Engineering and Sustainable Development, Baghdad, Iraq, v. 12, n. 4, p. 93–114, 2008. Disponível em: https://jeasd.uomustansiriyah.edu.iq/index.php/jeasd/article/view/1649.. Acesso em: 20 apr. 2025.