Frima Thousani, Hifzhan, et al. “WORK DISCIPLINE OF EMPLOYEES AT PT INDUSTRI KERETA API (PERSERO) MADIUN”. Epicheirisi: Jurnal Manajemen, Administrasi, Pemasaran Dan Kesekretariatan, vol. 6, no. 2, Jan. 2023, pp. 26-40, doi:10.32486/epicheirisi.v6i2.491.