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After teaching junior high school mathematics for 10 years and serving as a high school principal for 14 years, Dr. Clarence Johnson conducted research as a doctoral student on improving the mathematics failure rates of African American students. You can read about his findings in Roll Call: 2012.
- Format: Inbunden
- ISBN: 9781477275726
- Språk: Engelska
- Antal sidor: 108
- Utgivningsdatum: 2012-10-05
- Förlag: Authorhouse