stredné školy základné školy 17 [vynechat] extrémizmus 10 [vynechat] secondary schools 10 [vynechat] elementary schools 9 [vynechat] extremism 6 [vynechat] learners 6 [vynechat] žiaci 6 [vynechat] názory a postoje 5 [vynechat] šikanovanie 4 [vynechat] detská agresivita 3 [vynechat] parents 3 [vynechat] rodičia 3 [vynechat] terorizmus 3 [vynechat] terrorism 3 [vynechat] views and attitudes 3 [vynechat] bullying 2 [vynechat] deti a mládež 2 [vynechat] násilie v škole 2 [vynechat] pedagógovia 2 [vynechat] aggressiveness in children 1 [vynechat] children and youth 1 [vynechat] cyberbullying 1 [vynechat] drogová závislosť 1 [vynechat] drogy 1 [vynechat] drug abuse 1 [vynechat] drugs 1 [vynechat] educationalists 1 [vynechat] family 1 [vynechat] home and school 1 [vynechat]