Summaries of the Selected Articles. The Pakistan Development Review, [S. l.], v. 1, n. 2, p. pp.114–137, 1961. DOI: 10.30541/v1i2pp.114-137. Disponível em: https://thepdr.pk/index.php/pdr/article/view/18. Acesso em: 26 oct. 2025.