HO VIET THANG; TRAN THI THANH PHUONG; LE THI NGOC QUY. Partial replacement of natural sand with recycled waste oyster shells in concrete production of grade 30 MPA. JOURNAL OF MATERIALS & CONSTRUCTION, [S. l.], v. 16, n. 01, 2026. DOI: 10.54772/jomc.v16i01.1240. Disponível em: https://ojs.jomc.vn/index.php/en/article/view/1240. Acesso em: 9 apr. 2026.