![Roll Call: 2012](/assets/artwork/1x1-42817eea7ade52607a760cbee00d1495.gif)
![Roll Call: 2012](/assets/artwork/1x1-42817eea7ade52607a760cbee00d1495.gif)
![](/assets/artwork/1x1-42817eea7ade52607a760cbee00d1495.gif)
![](/assets/artwork/1x1-42817eea7ade52607a760cbee00d1495.gif)
Roll Call: 2012
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- 4,99 €
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- 4,99 €
Publisher Description
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.