Y. THANOON, T.; HUSAIN ABDULLAH, N. Stability Study of Double and Spherical Pendulum. AL-Rafidain Journal of Computer Sciences and Mathematics, [S. l.], v. 9, n. 2, p. 13–26, 2012. DOI: 10.33899/csmj.2012.163716 . Disponível em: https://csmj.uomosul.edu.iq/index.php/csmj/article/view/36852. Acesso em: 2 nov. 2025.