Summaries of the Selected Articles. The Pakistan Development Review, [S. l.], v. 4, n. 3, p. pp.552–575, 1964. DOI: 10.30541/v4i3pp.552-575. Disponível em: https://thepdr.pk/index.php/pdr/article/view/100. Acesso em: 28 oct. 2025.