XAVIER, G. The Concept Of Variations In The Construction Industry. Journal of Malaysian and Comparative Law, [S. l.], v. 18, n. 1 and 2, p. 147–164, 1991. Disponível em: https://sare.um.edu.my/index.php/JMCL/article/view/16039. Acesso em: 7 jul. 2024.