ERIC Clearinghouse on Educational ManagementGaustad, Joan2006-09-262006-09-261999-11https://hdl.handle.net/1794/33552 p.A microfiche version of this title is available through the UO Libraries under the call number: DOC-US/MF ED 1.310/2:43681419917 bytesapplication/pdfen-USSchools -- Security measures -- United StatesSchool violence -- United States -- PreventionArticle