NHAC, Bui Nguyen. Optimum design of concrete structures. <b>Vietnam Journal of Mechanics</b>, Hanoi, Vietnam, v. 6, n. 3, p. 22–26, 1984. DOI: 10.15625/0866-7136/10412. Disponível em: https://vjst.vast.vn/vjmech/article/view/10412. Acesso em: 4 apr. 2026.