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1
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2gan Schimmel, Schim, 1954-Pynciau “...Environmental protection Juvenile fiction...”
Cyhoeddwyd 1997
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3
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4gan Hiaasen, CarlPynciau “...Environmental protection Florida Juvenile fiction....”
Cyhoeddwyd 2006
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5
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6gan Anholt, LaurencePynciau “...Environmental protection Citizen participation Juvenile fiction....”
Cyhoeddwyd 2002
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7
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9
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11
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15gan McKay, Sandy, 1959-Pynciau “...Environmental protection Citizen participation Juvenile fiction....”
Cyhoeddwyd 2003
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17gan Hill, David, 1942-Pynciau “...Environmental protection Citizen participation Juvenile fiction....”
Cyhoeddwyd 1998
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