@article{416975,
      note = {Includes index.},
      author = {Ortega, Manuel. and Bravo, José,},
      url = {http://library.usi.edu/record/416975},
      title = {Computers and education in the 21st century [electronic  resource] /},
      publisher = {Kluwer Academic Publishers,},
      recid = {416975},
      pages = {xvi, 316 p. :},
      address = {Dordrecht ;},
      year = {2000},
}