JARAMILLO CARDONA, G.; NARANJO, J. A.; GONZÁLEZ RÁTIVA, M. C. The International Certification System for Spanish as a Foreign Language in Antioquia (Colombia): Experience and Perspective. Íkala, Revista de Lenguaje y Cultura, [S. l.], v. 16, n. 2, p. 201–227, 2011. DOI: 10.17533/udea.ikala.7971. Disponível em: https://revistas.udea.edu.co/index.php/ikala/article/view/7971. Acesso em: 4 mar. 2025.