CRUYWAGEN, H. Towards the establishment of a relevant national tender price index for the South African building industry. Acta Structilia, [S. l.], v. 21, n. 2, p. 22–43, 2015. Disponível em: https://www.ajol.info/index.php/actas/article/view/116176. Acesso em: 29 apr. 2024.