DE GRACIA-HARRISON, R. Analysis of the Index of relative export advantage of palm oil. Revista Científica Orbis Cógnita, [S. l.], v. 7, n. 1, p. 51–65, 2023. Disponível em: https://revistas.up.ac.pa/index.php/orbis_cognita/article/view/3609. Acesso em: 14 nov. 2026.