J.J. Wellington

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Books by J.J. Wellington (50 max)

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Forces and energy

1990

Sally Fielden, J.J. Wellington

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Children Computers And The Curriculum

1985

J.J. Wellington

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Seiniau: pynciau dethol

1991

J.J. Wellington, J. J. Wellington

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Physics

1984

J.J. Wellington

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Physics (Beginning Science)

1984

J.J. Wellington

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Flight

1990

J.J. Wellington

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Egni (Estyn Gwyddoniaeth S.)

1991

J.J. Wellington

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Energy (Extending Science)

1992

J.J. Wellington

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Space (Science Discovery)

1995

J.J. Wellington