De Gracia-Harrison, Raúl. “Analysis of the Index of Relative Export Advantage of Palm Oil”. Revista Científica Orbis Cógnita 7, no. 1 (February 1, 2023): 51–65. Accessed November 14, 2026. https://revistas.up.ac.pa/index.php/orbis_cognita/article/view/3609.