Summaries of the Selected Articles. The Pakistan Development Review, [S. l.], v. 4, n. 4, p. pp.762–780, 1964. DOI: 10.30541/v4i4pp.762-780. Disponível em: https://thepdr.pk/index.php/pdr/article/view/107. Acesso em: 26 oct. 2025.