SHAHBAZ, M.; LEITAO, N. C.; BUTT, M. S. Pakistan Intra-industry Trade: A Panel Data Approach. International Journal of Economics and Financial Issues, [S. l.], v. 2, n. 2, p. 225–232, 2012. Disponível em: https://www.econjournals.com/index.php/ijefi/article/view/133. Acesso em: 4 oct. 2022.