BAHRIANI; HI SALIM, Umar; FIRMANSYAH. ANALISIS PERHITUNGAN PAJAK PENGHASILAN PASAL 21 ATAS GAJI KARYAWAN PT. SAWIT UNGGUL AGRO NIAGA DI MUARA BADAK. OBOR: Oikonomia Borneo, [S. l.], v. 4, n. 1, p. 79–88, 2022. DOI: 10.24903/obor.v4i1.1337. Disponível em: https://ojs.uwgms.ac.id/index.php/oikonomia/article/view/1337. Acesso em: 24 apr. 2026.