Ayunaning, Kholidia, Avisha Gita P, and Kristin Juliati. “Use of Shells Waste Filler in Pavement Layer Using Lapen (Macadam Penetration Layer)”. Procedia of Engineering and Life Science 2, no. 2 (June 30, 2022). Accessed April 29, 2024. https://pels.umsida.ac.id/index.php/PELS/article/view/1257.