“Maintenance Service Cost Emphasize Dump Truck Volvo FMX 440 at PT Iwaco Jaya Abadi Site Kideco: Penekanan Biaya Pemeliharaan Dump Truk Volvo FMX 440 Di PT Iwaco Jaya Abadi Site Kideco ”, PELS, vol. 3, Dec. 2022, doi: 10.21070/pels.v3i0.1312.