PANJAITAN, Muhammad Adriansyah Safii; SANJAYA, Surya; IRSAN, Muhammad. INCOME TAX (PPH) 21 CALCULATION APPLICATION. International Journal of Economic, Technology and Social Sciences (Injects), [S. l.], v. 5, n. 2, p. 124 – 132, 2024. Disponível em: https://www.jurnal.ceredindonesia.or.id/index.php/injects/article/view/1186. Acesso em: 5 jul. 2025.