CUDDINGTO, John T.; URZÚA, Carlos M. Cycles and trends in net terms of trade: A new approach. Estudios Económicos de El Colegio de México, [S. l.], v. 3, n. 2, p. 169–190, 1988. DOI: 10.24201/ee.v3i2.346. Disponível em: https://estudioseconomicos.colmex.mx/index.php/economicos/article/view/346. Acesso em: 20 apr. 2025.