A T manurung, Vuko, and Khoerul Anam. “MENURUNKAN KERUSAKAN YANG TIDAK TERJADWAL (UNSCHEDULE BREAKDOWN) SISTEM TRANSMISI MOTOR GRADER KOMATSU TIPE GD 825A-2 DI PT. PAMAPERSADA DISTRIC ADARO”. Technologic 9, no. 1 (August 27, 2018). Accessed December 5, 2024. https://technologic.polytechnic.astra.ac.id/index.php/firstjournal/article/view/229.