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Now showing items 141-150 of 183

National Association for Research in Science Teaching (National Association for Research in Science Teaching, 1987-06)

National Association for Research in Science Teaching (National Association for Research in Science Teaching, 1974-04)

National Association for Research in Science Teaching (National Association for Research in Science Teaching, 1982-04)

National Association for Research in Science Teaching (National Association for Research in Science Teaching, 1974-05)

National Association for Research in Science Teaching (National Association for Research in Science Teaching, 1981-12)

National Association for Research in Science Teaching (National Association for Research in Science Teaching, 1977-03)

National Association for Research in Science Teaching (National Association for Research in Science Teaching, 1962-04)

National Association for Research in Science Teaching (National Association for Research in Science Teaching, 1968-04)

National Association for Research in Science Teaching (National Association for Research in Science Teaching, 1962-02)

National Association for Research in Science Teaching (National Association for Research in Science Teaching, 1973-03)