Comparing the planning and performance of direct labour and design-bid-build construction projects in Nigeria. Journal of Civil Engineering and Management, [S. l.], v. 18, n. 2, p. 184–196, 2012. DOI: 10.3846/13923730.2012.671283. Disponível em: https://journals.vilniustech.lt/index.php/JCEM/article/view/4439. Acesso em: 11 may. 2025.