Changes in Export Shares and Competitive Strength in Pakistan. The Pakistan Development Review, [S. l.], v. 20, n. 4, p. pp.399–415, 1981. DOI: 10.30541/v20i4pp.399-415. Disponível em: https://thepdr.pk/index.php/pdr/article/view/576. Acesso em: 26 oct. 2025.