Effect of Adding Polypropylene Plastic Waste on Compressive Strength and Flexural Strength Concrete. CIVED, [S. l.], v. 11, n. 3, p. 1098–1106, 2024. DOI: 10.24036/cived.v11i3.659. Disponível em: https://cived.ppj.unp.ac.id/index.php/CIVED/article/view/659. Acesso em: 8 nov. 2025.