Sofyan, Muhammad. “Kekuatan Awal, Workability Dan Berat Volume Beton Berbahan Agregat Plastik Polypropylene”. KILAT 10, no. 2 (October 25, 2021): 301–308. Accessed April 19, 2024. https://jurnal.itpln.ac.id/kilat/article/view/1484.