HARAHAP, M. P. S. .; NURSYAMSI, N.; LUVIAN, K. The Evaluation of the Use PET and HDPE Plastic Waste as Coarse Aggregate of Lightweight Concrete. Simetrikal: Journal of Engineering and Technology, [S. l.], v. 3, n. 1, p. 49–57, 2024. DOI: 10.32734/jet.v3i1.12797. Disponível em: https://talenta.usu.ac.id/jet/article/view/12797. Acesso em: 16 aug. 2025.