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[文献書誌] Liao Husheng and masato Takeichi: "Preliminary Arrangements of Arguments in Lazy Evaluation" New Generation Computing. 9. 135-147 (1991)
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[文献書誌] K.Tsuda,K.Yamamoto,M.Hirakawa,M.Tanaka,and T.Ichikawa: "MORE:An Object-Oriented Data Model with a Facility for Changing Object Structures" IEEE Trans.Knowledge and Data Engineering. 3. 444-460 (1991)
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[文献書誌] E.Mori,A.Takeuchi,and S.Otsuki: "Thinking Tool:Improving Student's Reasoning Abilities" Advanced Research on Computers in Education. 129-136 (1991)
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[文献書誌] T.Shingae,A.Takeuchi,and S.Otsuki: "Selection of Topics and Teaching Paradigm on ITS" Advanced Research on Computers in Education. 295-300 (1991)
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[文献書誌] H.Kondou,A.Takeuchi and S.Otsuki: "ITS:Recognizing the Context and Guiding Reduction Processes for Fractional Calculation" Advanced Research on Computers in Education. 93-99 (1991)
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[文献書誌] S.Otsuki: "An empirical study on why,what,how and when" Education & Computing. 7. 383-386 (1991)
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[文献書誌] R.Lewis and S.Otsuki(eds.): "Advanced Research on Computers in Education" North-Holland, 361 (1991)