WINARSIH , Endang. Analisis Persepsi Aparatur Sipil Negara Berdasarkan Pemungutan Pajak Penghasilan Pasal 21 Sesuai Teori Empat Pajak Maksimum. Economics and Digital Business Review, [S. l.], v. 4, n. 2, p. 436–442, 2023. DOI: 10.37531/ecotal.v4i2.571. Disponível em: https://ojs.stieamkop.ac.id/index.php/ecotal/article/view/571. Acesso em: 10 jun. 2026.