C. Romero, S. Ventura, J. Delgado, и P. Bra. Creating New Learning Experiences on a Global Scale. Second European Conference on Technology Enhanced Learning, EC-TEL 2007, стр. 293--305. Crete, Greece, Springer, (2007)
C. Romero, S. Ventura, J. Delgado, и P. Bra. Creating New Learning Experiences on a Global Scale. Second European Conference on Technology Enhanced Learning, EC-TEL 2007, стр. 293--305. Crete, Greece, Springer, (2007)