GeoKey - open infrastructure for community mapping and science. Human Computation, [S. l.], v. 3, n. 1, p. 143–159, 2016. DOI: 10.15346/hc.v3i1.8. Disponível em: http://www.hcjournal.org/index.php/jhc/article/view/61. Acesso em: 1 feb. 2026.