18 septiembre 2014
As a result of outbreaks of violence in the nation’s schools, concerns have grown about school safety and the overall well-being of students. Now, criminology researchers discovered that academic achievement and knowledge of security measures increased the likelihood that high school students would report a knife or gun at school.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/9NejTbJkGog/140918101639.htm
