I. Ardhiansyah, G. Pramudi, D. Ariawan, H. I. Akbar, and R. B. Kristiawan, “Investigation Influence of Styrene Butadiene Rubber on Physical, Mechanical and Thermal Properties of Polypropylene Composite for 3D Printing Filaments”, Eng. Technol. Appl. Sci. Res., vol. 15, no. 5, pp. 27793–27799, Oct. 2025.