01306nam 2200433 450 991081182900332120161231082601.01-4758-3051-3(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 John1962-1624285Van Dreal John1962-MiAaPQMiAaPQMiAaPQBOOK9910811829003321Assessing student threats3959206UNINA