CAUSES OF VARIATION ORDER IN BUILDING AND CIVIL ENGINEERING PROJECTSIN NIGERIA. Jurnal Teknologi, [S. l.], v. 77, n. 16, 2015. DOI: 10.11113/jt.v77.6404. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/6404.. Acesso em: 19 jul. 2024.