01306nam 2200433 450 991079887060332120161231082601.01-4758-3051-3(CKB)3710000000941769(MiAaPQ)EBC4743961(EXLCZ)99371000000094176920160901h20172017 uy| 0engurcnu||||||||rdacontentrdamediardacarrierAssessing student threats implementing the Salem-Keizer system /John Van DrealSecond edition.Lanham :Rowman & Littlefield,[2017]©20171 online resource (215 pages) illustrations1-4758-3050-5 1-4758-3052-1 Includes bibliographical references.School violencePreventionHandbooks, manuals, etcSchoolsSafety measuresSchool violencePreventionSchoolsSafety measures.363.11/9371Van Dreal John1962-1550144Van Dreal John1962-MiAaPQMiAaPQMiAaPQBOOK9910798870603321Assessing student threats3808756UNINA