Bahriani, Umar Hi Salim, and Firmansyah. “ANALISIS PERHITUNGAN PAJAK PENGHASILAN PASAL 21 ATAS GAJI KARYAWAN PT. SAWIT UNGGUL AGRO NIAGA DI MUARA BADAK”. OBOR: Oikonomia Borneo 4, no. 1 (April 30, 2022): 79–88. Accessed February 11, 2026. https://journal.uwgm.ac.id/oikonomia/article/view/1337.