EFFECT OF CRUDE OIL CONTAMINATION ON THE COMPRESSIVE STRENGTH OF CONCRETE. Nigerian Journal of Technology, [S. l.], v. 34, n. 2, p. 259–265, 2015. DOI: 10.4314/njt.342.928. Disponível em: https://nijotech.com/index.php/nijotech/article/view/928. Acesso em: 16 apr. 2026.