LUO, Y. Nonlinear Trend and Purchasing Power Parity. Journal of Economics Bibliography, [S. l.], v. 3, n. 3, p. 490–497, 2016. DOI: 10.1453/jeb.v3i3.1001. Disponível em: https://journals.econsciences.com/index.php/JEB/article/view/1001. Acesso em: 19 sep. 2024.