TRANSMISSION SYSTEM PROTOTYPE AS SPEED OPTIMIZATION IN THE POWER DRIVE MECHANISM OF THE MAKER S4000 MACHINE AT PT DM. teknobiz [Internet]. 2025 Nov. 12 [cited 2026 Sep. 28];15(3):141-50. Available from: https://journal.univpancasila.ac.id/index.php/teknobiz/article/view/9040