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461
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462
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463
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464
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465
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466
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467
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468
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469
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470
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471
Curriculum improvement : a guide to problems, principles and process /
Published 1977“…New York : Harper and Row,…”
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472
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473
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474
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475
Living classroom : putting humanistic education into practice /
Published 1975“…New York : Harper & Row,…”
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476
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477
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478
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479
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480