Summaries of the Selected Articles. The Pakistan Development Review, [S. l.], v. 3, n. 3, p. pp.443–462, 1963. DOI: 10.30541/v3i3pp.443-462. Disponível em: https://thepdr.pk/index.php/pdr/article/view/75. Acesso em: 28 oct. 2025.