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Three national assessments of science : changes in achievement, 1969-77. Selected results from the third national assessment of science
- "Three national assessments of science : changes in achievement, 1969-77. Selected results from the third national assessment of science"@en
- "Three national assessments of science : changes in achievement, 1969-77 : selected results from the third national assessment of science : science report no. 08-S-00"@en
- "Three national assessments of science : changes in achievement, 1969-77 : selected results from the third National Assessment of Science"
- "Three national assessments of science changes in achievement, 1969-77. Selected results from the third national assessment of science"@en
- "Three national assessments of science - changes in achievement, 1969-77 : selected results from the 3rd National Assessment of Science"@en