Virtually there: emerging designs for STEM teaching and learning in immersive online 3D microworlds. - Sneha Veeragoudar Harrell; Dor Abrahamson; Leonel Morgado; Micaela Esteves; Martin Valcke; Hendrik Vansteenbrugge; Eric Rosenbaum; Sasha A. Barab (ICLS (3), 2008)