Construction of Multiuser Virtual Environments for the Virtual Teaching of Embryology. - Simone de Abreu; Regina Borges de Araujo; André Luiz Battaiola (SIBGRAPI, 2000)

Multiuser 3D Learning Environments in the Web. - Christmas Meire Bressan; Simone de Abreu; Regina Borges de Araujo; Celso Goyos (ICEIS (2), 2001)