\input zb-basic
\input zb-ioport
\iteman{io-port 70666879}
\itemau{Ishikawa, Takashi; Matsuda, Hiroshi; Takase, Hiroshi}
\itemti{Agent supported collaborative learning using community web software}
\itemso{ICCE, 42-43 (2002).}
\itemcc{}
\itemut{}
\itemli{http://doi.ieeecomputersociety.org/10.1109/CIE.2002.1185858}
\end