J. HUMAIDI, Amjad; A. MOHAMMED, Abdullah. Performance Comparison of Different Observers for Pendubot. American Scientific Research Journal for Engineering, Technology, and Sciences, Jordan, v. 34, n. 1, p. 34–53, 2017. Disponível em: https://asrjetsjournal.org/American_Scientific_Journal/article/view/3160. Acesso em: 26 oct. 2025.