“EFFECT OF VISCOELASTIC BEHAVIOR OF CELLULOSE OIL PALM FIBER (COPF) MODIFIED 60-70 ASPHALT BINDER FOR DETERIORATION FOR ROADS AND HIGHWAYS”. Jurnal Teknologi 75, no. 11 (August 27, 2015). Accessed July 23, 2024. https://journals.utm.my/jurnalteknologi/article/view/5294.