PERANCANGAN MESIN EXTRUDER FILAMEN 3D PRINTING BERBAHAN SAMPAH PLASTIK KAPASITAS 40 KG/JAM. MACHINE [Internet]. 2024 Nov. 19 [cited 2026 Jun. 11];10(2):58-64. Available from: https://journal.ubb.ac.id/index.php/machine/article/view/5413