Rule-based expert systems to support step-by-step guidance in algebraic problem solving: The case of the tutor PAT2Math
2013 ◽
Vol 40
(14)
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pp. 5456-5465
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1997 ◽
Vol 39
(9)
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pp. 607-616
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1980 ◽
Vol 10
(7)
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pp. 366-376
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1995 ◽
Vol 9
(1)
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pp. 3-14
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2000 ◽
Vol 30
(4)
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pp. 616-624
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