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1Published 1988“...Opposing viewpoints series (Unnumbered)...”
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2Published 1989“...Opposing viewpoints series (Unnumbered)...”
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3Published 1988“...Opposing viewpoints series (Unnumbered)...”
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4Published 1987“...Opposing viewpoints series (Unnumbered)...”
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5Published 1990“...Opposing viewpoints series (Unnumbered)...”
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