Lutfi , Muhammad, and Nurlianna Tarigan. “Analysis of Chain Stress on Bucket Elevators Indarung IV Raw Mill Unit at PT Semen Padang”. IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) 2, no. 1 (May 31, 2023): 43–50. Accessed August 6, 2025. https://e-journals.irapublishing.com/index.php/IRAJTMA/article/view/44.