L. Zulaicha, O. H. Ardian, and A. Hermawan, “Mechanical Performance and Sustainability Potential of Concrete Incorporating Waste Polytetrafluoroethylene Fibers”, int. j. hydrol. environ. sustain., vol. 5, no. 2, pp. 118–127, Jun. 2026, doi: 10.58524/ijhes.v5i2.1242.