Rodríguez-Díaz, Oscar Oswaldo, and Juan Mauricio Salamanca. 2006. “Analysis and Design of the Control of Level for Two Interconnected Tanks Appliying Linear Matrics Inequalities (LMI’s)”. Ingeniería Investigación Y Desarrollo 3 (2):61-65. https://revistas.uptc.edu.co/index.php/ingenieria_sogamoso/article/view/837.