Athanassios Mol, Christina Stathopoulou, Vassilios P. Kollias, Stella Vosniadou. Gradual Learning of Science in a CSCL Environment and the Quest of Epistemologically Sophisticated Learners. In 2003 IEEE International Conference on Advanced Learning Technologies (ICALT 2003), 9-11 July 2003, Athens, Greece. pages 374-375, IEEE Computer Society, 2003. [doi]