Soares, Marinalva Dias, Rafael Santos, Nandamudi L. Vijaykumar, and Luciano Vieira Dutra. “Analysis of User Behavior and Difficulty in Labeling Polygons of a Segmented Image in a Citizen Science Project”. INFOCOMP Journal of Computer Science 9, no. 4 (December 1, 2010): 34–42. Accessed March 28, 2024. https://infocomp.dcc.ufla.br/index.php/infocomp/article/view/321.