“The DESIGN OF A TRANSMISSION SYSTEM ON A BALL MILL MACHINE TO PROCESS HOMOGENIZATION OF BLACK POWDER USING AN AUTOMATIC SYSTEM”. Jurnal Otoranpur 2, no. 2 (October 27, 2021): 63–70. Accessed July 4, 2026. https://journal.poltekad.ac.id/oto/article/view/195.