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Vol.106 No.3 pp.177-177 Open Access Editorial Preface Takahiro TAGAWA Yasuhito SAWAHATA | Summary | FreeFull Text:PDF(227.8KB) |
Vol.104 No.8 pp.884-887 Examples of Analysis on Learning Community Using Data from Online and Off-line Learning Environments Takahiro TAGAWA | Summary | Full Text:PDF(697.9KB) |