“Perancangan Mesin Pengolah Sampah Plastik Jenis Polyehthylene Terephthalate (PET) Menjadi Biji Plastik Dengan Metode Ekstrusi”. Journal of Applied Mechanical Engineering and Renewable Energy 5, no. 2 (August 1, 2025): 69–76. Accessed January 7, 2026. https://journal.isas.or.id/index.php/JAMERE/article/view/922.