Hathaway, Dale. “The Impacts of US Agricultural and Trade Policy on Trade Liberalization and Integration via a US- Central America Free Trade Agreement”. Perspectivas Rurales Nueva Época, vol. 7, no. 13-14, Oct. 2003, pp. 229-78, https://www.revistas.una.ac.cr/index.php/perspectivasrurales/article/view/3609.