หอวิจิตร ด. การหา Governing Equations ของ Ribbed Slabs โดย Variational Principle. Engineering and Applied Science Research, [S. l.], v. 7, n. 2, p. 37–44, 2013. Disponível em: https://ph01.tci-thaijo.org/index.php/easr/article/view/8206. Acesso em: 1 oct. 2026.