Eka Bilmar Jati, Amir Makhmud Zain, and Siti Ummi Arfah Nst. “Pengaruh Disiplin Dan Pengawasan Terhadap Kinerja Karyawan PT. Jaminan Kredit Indonesia (JAMKRINDO) Medan”. Jurnal ILMAN (Jurnal Ilmu Manajemen) 11, no. 2 (June 30, 2023): 8-13. Accessed April 29, 2026. https://www.journals.lppm-sukma.id/index.php/ilman/article/view/526.