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61
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62
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63
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74Published 1992Subjects: “...Textbooks United States Congresses....”
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75Textbooks in the kaleidoscope : a criticial survey of literature and research on educational texts /by Johnsen, Egil BørreSubjects: “...Textbooks....”
Published 1993
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76
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77
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79
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80by Howson, A. G. (Albert Geoffrey), 1931-Subjects: “...Mathematics Textbooks Evaluation....”
Published 1995
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