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1
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2Published 1998Subjects “...Geometry Problems, exercises, etc....”
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3Published 1998Subjects “...Geometry Study and teaching (Secondary)...”
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4Published 1991Subjects “...Geometry Problems, exercises, etc. Juvenile literature....”
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5Published 1999Subjects “...Geometry Problems, exercises, etc. Juvenile literature....”
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6
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7Published 1999Subjects “...Geometry Study and teaching (Elementary) New Zealand....”
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8
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9Published 2002Subjects “...Geometry Problems, exercises, etc. Juvenile literature....”
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10Published 2004Subjects “...Geometry Problems, exercises, etc. Juvenile literature....”
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12
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13
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14
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15
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16
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17
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18