Is the Private Sector more Productive than the Public Sector?. The Pakistan Development Review, [S. l.], v. 30, n. 4II, p. pp.721–729, 1991. DOI: 10.30541/v30i4IIpp.721-729. Disponível em: https://thepdr.pk/index.php/pdr/article/view/1020. Acesso em: 25 oct. 2025.