A.A., U.; K.O., O. Performance of Periwinkle Shell Ash Blended Cement Concrete Exposed to Magnesium Sulphate. Civil Engineering Dimension, [S. l.], v. 15, n. 2, p. 96-101, 2013. DOI: 10.9744/ced.15.2.96-101. Disponível em: https://ced.petra.ac.id/index.php/civ/article/view/18760. Acesso em: 20 apr. 2024.