Ellydia Ludang. “PENERAPAN PAJAK PENGHASILAN (PPh) PASAL 21 TERHADAP PEGAWAI TETAP PT. GRAHA SENTOSA PERMAI CABANG PALANGKA RAYA”. JOURNAL SOCIO ECONOMICS AGRICULTURAL 14, no. 2 (October 7, 2019): 66–71. Accessed January 22, 2025. https://e-journal.upr.ac.id/index.php/j-sea/article/view/482.