OPTIMISATION OF COMPRESSIVE STRENGTH OF PERIWINKLE SHELL AGGREGATE CONCRETE. Nigerian Journal of Technology, [S. l.], v. 36, n. 1, p. 32–38, 2016. DOI: 10.4314/njt.361.1210. Disponível em: https://mail.nijotech.com/index.php/nijotech/article/view/1210. Acesso em: 19 apr. 2026.