CUSACK, P. T. E. Universal Matrix (Stiffness) Method: Universal Matrix (Stiffness) Method. Asian Journal of Mathematical Sciences(AJMS), [S. l.], v. 1, n. 06, 2018. Disponível em: http://www.ajms.in/index.php/ajms/article/view/140. Acesso em: 2 may. 2024.