Phuong NTB, Tu TM, Phuong HT, Long NV. Bending analysis of functionally graded beam with porosities resting on elastic foundation based on neutral surface position. JSTCE [Internet]. 2019Jan.31 [cited 2026Sep.18];13(1):33-45. Available from: https://stce.vjst.net/index.php/en/article/view/1320