December Pph 21 Reporting Under The Coretax Administration System: A Case Study At An Accounting Services Firm. Prosiding Simposium Ilmiah Akuntansi, [S. l.], p. 434–438, 2026. Disponível em: https://sia-iaikpd.fdaptsu.org/index.php/sia/article/view/353.. Acesso em: 22 may. 2026.