YVJ503890 332..354
https://ed.buffalo.edu/content/dam/…chik%20and%20Ward%20YVJJ%202014.pdf
22 Sep 2014:
Article. Race, Poverty, andExclusionary SchoolSecurity: An EmpiricalAnalysis of U.S. Elementary,Middle, and High Schools. Aaron Kupchik1 and Geoff Ward2. AbstractAs violence and crime within and around U.S. schools has drawn increased attention to