INCA: A Security Service for Collaborative Learning Environments. - Thiago de Medeiros Gualberto; Sandra Abib; Sérgio Donizetti Zorzo (ICETC, 2009)

Service for secure and protected applications in Collaborative Learning Environments. - Thiago de Medeiros Gualberto; Sérgio Donizetti Zorzo (SMC, 2010)