@inproceedings{weko_133031_1, author = "伊藤,穣 and 岡崎,泰久 and 近藤,弘樹", title = "分数計算を指導する知的CAIのバグ同定と指導方略の評価", booktitle = "全国大会講演論文集", year = "1997", volume = "第55回", number = "コンピュータと人間社会", pages = "466--467", month = "sep" }