M. Isya, M. Refiyanni, S. M. Saleh, S. Aprilia, and M. Riski, “Utilization of Used Tires and High-Density Polyethylene Waste for Environmentally Friendly Porous Asphalt Mixtures with Response Surface Methodology Analysis”, Eng. Technol. Appl. Sci. Res., vol. 15, no. 6, pp. 29149–29155, Dec. 2025.