Darsono, Febri Budi, Aldias Bahatmaka, M. Hilman Gumelar Syafei, Salsa Bila Azara, and Risky Risky Ramadhani. “Quality of Friction Stir Welding on High Density Polyethylene-Polypropylene Polymer”. International Journal of Marine Engineering Innovation and Research 11, no. 2 (June 3, 2026): 318–330. Accessed July 26, 2026. https://journal.its.ac.id/index.php/ijmeir/article/view/9047.