Setiosoputro, K. S., and Y. Ekawati. “Analisis Biaya Pada Proses Produksi Karoseri Big Bus Mercedes Benz OH-1526 Model Rangka Grand Tourismo Di PT. XYZ”. Journal of Integrated System, vol. 2, no. 1, July 2019, pp. 51-67, doi:10.28932/jis.v2i1.997.