Ruiz C., Luz M., and Fernán A. Villa. “UNC-Layout: An Upper CASE Tool to Get UML Diagrams Out from Pre-Conceptual Schemes”. Revista Universidad EAFIT 43, no. 147 (May 31, 2012): 68–80. Accessed November 12, 2026. https://publicaciones.eafit.edu.co/index.php/revista-universidad-eafit/article/view/765.