Presumptive Tax as an Alternate Income Tax Base: A Case Study of Pakistan. The Pakistan Development Review, [S. l.], v. 32, n. 4II, p. pp.991–1004, 1993. DOI: 10.30541/v32i4IIpp.991-1004. Disponível em: https://thepdr.pk/index.php/pdr/article/view/1194. Acesso em: 14 nov. 2025.