JANTZ, Kristian; FRIEDLAND, Gerald; ROJAS, Raul. Ubiquitous Pointing and Drawing. International Journal of Emerging Technologies in Learning (iJET), [S. l.], v. 2, n. 1, 2006. DOI: 10.3991/ijet.v2i1.67. Disponível em: https://online-journals.org/index.php/i-jet/article/view/67. Acesso em: 19 apr. 2024.