Vaca, Sara, and Pablo Vidueira. “Using Graphical Perception Principles to Improve the ST Tools’ Data Visualization: Revisiting the Systems Dynamics Model”. Journal of MultiDisciplinary Evaluation 12, no. 26 (March 22, 2016): 18–24. Accessed May 4, 2026. https://jmde.journals.publicknowledgeproject.org/index.php/jmde_1/article/view/441.