Djatmiko, Wisnu, and Aldi Ramadhani Katim. “Design and Development of a Plastic Bottle Waste Recycling Device into 3D Printing Filament”. International Journal on Smart Material and Mechatronics 12, no. 2 (October 10, 2025). Accessed August 13, 2026. https://ijsmm.id/index.php/ijsmm/article/view/79.