V. H. A. Okazaki, C. R. Fiuza, R. R. da Silva, J. B. Dascal, and I. Ladewig, “<b>Speed-accuracy tradeoff in tasks of drawing geometric figures and lines</b&gt; - doi: 10.4025/reveducfis.v22i3.9976”, JPhysEduc, vol. 22, no. 3, pp. 337-347, Aug. 2011.