Riyanto, Sugeng, Qomariah, and Bobby Asukmajaya R. “ANALISIS PENAMBAHAN SERAT POLYPROPYLENE LIMBAH MASKER MEDIS PADA KINERJA CAMPURAN ASPAL”. Journal of Civil Engineering 17, no. 1 (February 28, 2023): 1–6. Accessed September 10, 2025. http://114.6.41.75/index.php/PROKONS/article/view/5396.