Lightweight Mortar Incorporating Various Percentages of Waste Materials. Jurnal Teknologi, [S. l.], v. 67, n. 3, 2014. DOI: 10.11113/jt.v67.2769. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/2769.. Acesso em: 6 may. 2024.