@prefix n9j: <http://data.loterre.fr/ark:/67375/N9J> .
@prefix isothes: <http://purl.org/iso25964/skos-thes#> .
@prefix skos: <http://www.w3.org/2004/02/skos/core#> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .

n9j:-concepts
  a isothes:ConceptGroup ;
  skos:prefLabel "concepts"@en ;
  skos:member n9j:-F87JLBGF-J .

n9j:-M3HBWQ9G-D
  skos:prefLabel "school environment: psychosocial"@en ;
  a skos:Concept ;
  skos:narrower n9j:-F87JLBGF-J .

n9j: a skos:ConceptScheme .
n9j:-F87JLBGF-J
  owl:sameAs <https://concepts.sagepub.com/social-science/concept/gang_identification_and_intervention_strategies> ;
  skos:definition "Many schools and communities are confronted with the challenges of youth gang activity, gang recruitment, and gang violence. While there had been a decline in reported gang activity during the early 1990s, the number of municipal jurisdictions in the United States reporting gang activity has increased over 25% between 2002 and 2007. [Source: Encyclopedia of School Health; Gang Identification and Intervention Strategies]"@en ;
  a skos:Concept ;
  skos:inScheme n9j: ;
  skos:broader n9j:-M3HBWQ9G-D ;
  skos:prefLabel "gang identification and intervention strategies"@en .