OKPAN, A.; NNADI, E. O.; CHUKWUENYE, A. T. Perceived Contributions of Professionals Towards Cost Overrun in Nigerian Construction Industry: Quantity Surveyors Perspective. African Journal of Environmental Sciences and Renewable Energy, [S. l.], v. 8, n. 1, p. 01–24, 2022. Disponível em: https://publications.afropolitanjournals.com/index.php/ajesre/article/view/280. Acesso em: 29 jan. 2026.