MALIK, Qurat Ul Ain. Effectiveness of Withholding Taxes in Expanding Pakistan’s Tax Base: A Focus on the informal and Undocumented Sectors. Journal of Pakistan Administration, [S. l.], v. 46, n. 2, p. 104–135, 2025. DOI: 10.65755/jpa-20254602-111. Disponível em: https://journal.nspp.gov.pk/index.php/jpa/article/view/111. Acesso em: 27 feb. 2026.