DOSUMU, O.; AIGBAVBOA, C. An assessment of the causes, cost effects and solutions to design-errorinduced variations on selected building projects in Nigeria. Acta Structilia, [S. l.], v. 25, n. 1, p. 40–70, 2018. Disponível em: https://www.ajol.info/index.php/actas/article/view/176848. Acesso em: 3 may. 2024.