VALENTINE, S.; VIDES, F.; LUCCHESE, G.; TURNER, D.; KIM, H.- hoe; LI, W.; LINSEY, J.; HAMMOND, T. Mechanix: A Sketch-Based Tutoring and Grading System for Free-Body Diagrams. AI Magazine, [S. l.], v. 34, n. 1, p. 55, 2012. DOI: 10.1609/aimag.v34i1.2437. Disponível em: https://ojs.aaai.org/aimagazine/index.php/aimagazine/article/view/2437. Acesso em: 28 mar. 2024.