Wijatolah, Jalu Lutfi, Agus Mukhtar, and Aan Burhanuddin. “Prototype of Early Warning System for Brake Fluid Quality in Freight Transport Based on Arduino Uno”. IRA Jurnal Teknik Mesin dan Aplikasinya (IRAJTMA) 4, no. 2 (August 20, 2025): 216–222. Accessed August 30, 2025. http://e-journals.irapublishing.com/index.php/IRAJTMA/article/view/273.