OPON, J. G. Influence of microfine-contaminated sand from Mandulog River system in Iligan City, Philippines on the performance of concrete. Journal of Science and Technology in Civil Engineering (JSTCE) - HUCE, [S. l.], v. 16, n. 2, p. 12–21, 2022. DOI: 10.31814/stce.huce(nuce)2022-16(2)-02. Disponível em: https://stce.vjst.net/index.php/en/article/view/2257. Acesso em: 18 sep. 2026.