颁布单位：[University of the Free State] |  颁布时间：2010 |  实施时间：2010 |  学科分类：[["Dissertation, (M.Soc.Sc., (Criminology))--University, of, the, Free, State,, 2010","School, violence, --, South, Africa, --, Prevention","Schools, --, Security, measures, --, South, Africa","Schools, --, South, Africa, --, Safety, measures","System, theory","Managing, school-based, violence","Mixed, methods, research","Ecological, Systems, Theory","Coping, strategies","School-based, violence","Types, of, school-based, violence"]]

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