Matches in Library of Congress for { ?s ?p Mathematics Study and teaching (Middle school) Activity programs United States.. }
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- 2007047173 subject "Mathematics Study and teaching (Middle school) Activity programs United States.".
- 2008530709 subject "Mathematics Study and teaching (Middle school) Activity programs United States.".
- 2012001576 subject "Mathematics Study and teaching (Middle school) Activity programs United States.".
- 2012005645 subject "Mathematics Study and teaching (Middle school) Activity programs United States.".
- 2013048655 subject "Mathematics Study and teaching (Middle school) Activity programs United States.".