PHUONG, N. T. B.; TU, T. M.; PHUONG, H. T.; LONG, N. V. Bending analysis of functionally graded beam with porosities resting on elastic foundation based on neutral surface position. Journal of Science and Technology in Civil Engineering (JSTCE) - HUCE, [S. l.], v. 13, n. 1, p. 33–45, 2019. DOI: 10.31814/stce.nuce2019-13(1)-04. Disponível em: https://stce.vjst.net/index.php/en/article/view/1320. Acesso em: 18 sep. 2026.