ABDULLAHI, A.; AHMED, Y.; DOGARA, M. AN APPRAISAL OF METHODS OF APPROXIMATE ESTIMATION FOR CONSTRUCTION PROJECTS IN NIGERIA. Global Journal of the Built Environment (GJBE), [S. l.], v. 4, n. 1, p. 53–60, 2022. Disponível em: https://gjbeses.org/ses-journal/index.php/gjbe/article/view/18. Acesso em: 24 nov. 2024.