CASTRO ESCOBAR, Edisson Stiven. Regional specialization in international trade and production in Colombia. Semestre Económico, [S. l.], v. 19, n. 41, p. 87–116, 2016. DOI: 10.22395/seec.v19n41a4. Disponível em: https://revistas.udem.edu.co/index.php/economico/article/view/1961. Acesso em: 8 jul. 2026.