FARRAS, A. .; MULIAWATI, K. I. .; YULIANA, V. .; NOFRYANTI, N. The Implementation of the CoreTax System to Improve the Performance of Withholding Tax Certificate (Bupot) Preparation for Article 21 Income Tax: A Qualitative Approach. TOFEDU: The Future of Education Journal, [S. l.], v. 4, n. 9, p. 5287–5292, 2025. DOI: 10.61445/tofedu.v4i9.1339. Disponível em: https://journal.tofedu.or.id/index.php/journal/article/view/1339. Acesso em: 21 mar. 2026.