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- :Brener, Nancy D. ;Demissie, Zewditu.2011:In the United States, more than 55 million young people are enrolled in elementary and secondary schools. Because young people attend school about six...
- :Balaji, Alexandra B. ;Brener, Nancy D.2008:In the United States, 54 million young people attend school for about six hours of class time approximately 180 days per year. Schools are therefore i...
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