Reti, Desna, Martinus Robert Hutauruk, and Umar Hi Salim. “PERANAN INTERNAL AUDIT DALAM PENGAWASAN PIUTANG USAHA PADA CU DAYA LESTARI KABUPATEN KUTAI BARAT”. OBOR: Oikonomia Borneo 1, no. 1 (April 30, 2019): 45–50. Accessed April 25, 2024. https://journal.uwgm.ac.id/oikonomia/article/view/628.