ROSYADHI, R. I.; SANJAYA, B. P. .; PAHALA, I. .; WAHONO, P. . Income Tax Article 21 Planning Strategy for Corporate Tax Burden Efficiency: A Case Study at PT IHP. TOFEDU: The Future of Education Journal, [S. l.], v. 4, n. 6, p. 1691–1698, 2025. DOI: 10.61445/tofedu.v4i6.595. Disponível em: http://journal.tofedu.or.id/index.php/journal/article/view/595. Acesso em: 13 jul. 2025.