@article{tanaka06ijcsns,
  author = {Masaaki Tanaka and Tokuro Matsuo and Takayuki Ito and Tadachika Ozono and Toramatsu Shintani},
  title = {An Interactive Learning System in Elementary Schools},
  journal = {International Journal of Computer Science and Network Security},
  publisher = {},
  series = {},
  volume = {6},
  number = {4},
  pages = {20--25},
  year = {2006},
  doi = {},
  url = {}
}