DEVELOPING A NOVEL FRAMEWORK FOR OPTIMIZING COST ESTIMATION IN AFFORDABLE HOUSING PROJECTS USING BUILDING INFORMATION MODELLING (BIM) IN ANAMBRA STATE, NIGERIA. International Journal of Functional Research in Science and Engineering (IJFRSE) , [S. l.], v. 3, n. 4, p. 27–37, 2026. Disponível em: https://www.journalfrse.org/journal/article/view/99.. Acesso em: 13 mar. 2026.