NHAC, B. N. Optimum design of concrete structures. Vietnam Journal of Mechanics, Hanoi, Vietnam, v. 6, n. 3, p. 22–26, 1984. DOI: 10.15625/0866-7136/10412. Disponível em: https://vjs.ac.vn/index.php/vjmech/article/view/10412. Acesso em: 3 may. 2024.