CAMBRUZZI, Wagner L.; RIGO, Sandro José; BARBOSA, Jorge L. V.. A proposal for managing multiple trails in educational environments. In: BRAZILIAN SYMPOSIUM ON MULTIMEDIA AND THE WEB (WEBMEDIA), 18. , 2012, São Paulo. Anais [...]. Porto Alegre: Sociedade Brasileira de Computação, 2012 . p. 25-28.