Embun Sari Ayu, and Yulcherlina. “ANALISA BIAYA PERKERASAN ASPAL DENGAN SUBSTITUSI PLASTIK”. JURNAL REKAYASA 10, no. 1 (November 20, 2020): 17 - 31. Accessed September 27, 2021. https://jurnalrekayasa.bunghatta.ac.id/index.php/JRFTSP/article/view/49.