COMMUNICATION OF THE SINGLE IDENTITY NUMBER (SIN) POLICY BY THE MEDAN BELAWAN PRIMARY TAX OFFICE. Andaliman: International Journal of Social Sciences, [S. l.], v. 1, n. 1, p. 1–20, 2026. Disponível em: https://ejournal.aropress.org/index.php/andaliman/article/view/24. Acesso em: 17 jun. 2026.