Nardi A. Ruth Colvin Clark & Chopeta Lyons, <em>Graphics for Learning: Proven Guidelines for Planning, Designing, and Evaluating Visuals in Training Materials</em>. San Francisco: Pfeiffer (2011). Form@re [Internet]. 2015 Sep. 30 [cited 2024 Nov. 29];15(2):243-4. Available from: https://oaj.fupress.net/index.php/formare/article/view/3553