Pengaruh Penetration Index Terhadap Karakteristik Marshall Laston Menggunakan Limbah Styrofoam dan PVC . Siklus : Jurnal Teknik Sipil, [S. l.], v. 7, n. 1, p. 71–79, 2021. DOI: 10.31849/siklus.v7i1.6060. Disponível em: https://journal.unilak.ac.id/index.php/SIKLUS/article/view/6060. Acesso em: 13 jan. 2026.