The Effects of Shredded Polyethylene Terephthalate (PET) Waste as Partial Substitute for Conventional Fine Aggregates on the Engineering Properties of Concrete. SEET ETJ, [S. l.], v. 1, n. 1, 2026. Disponível em: https://seetfutoetj.ng/index.php/setj/article/view/78. Acesso em: 9 may. 2026.