V. Lestari Riyandini, H. Sawir, and S. Ilham, “Daur Ulang Limbah Plastik Polyethylene Terephthalate (PET) dan Abu Terbang (Fly Ash) Menjadi Paving Block”, j. of appl. civ. Engineering and infrastruct. Technology, vol. 5, no. 1, pp. 37-41, Mar. 2024.