stredné školy 18 [vynechat] základné školy 17 [vynechat] extrémizmus 13 [vynechat] secondary schools 10 [vynechat] elementary schools 9 [vynechat] extremism 9 [vynechat] learners 7 [vynechat] názory a postoje 7 [vynechat] žiaci 7 [vynechat] views and attitudes 5 [vynechat] terorizmus 4 [vynechat] terrorism 4 [vynechat] šikanovanie 4 [vynechat] detská agresivita 3 [vynechat] parents 3 [vynechat] rasizmus 3 [vynechat] rodičia 3 [vynechat] scientific research 3 [vynechat] vedecký výskum 3 [vynechat] bullying 2 [vynechat] drogy 2 [vynechat] mládež 2 [vynechat] násilie v škole 2 [vynechat] pedagógovia 2 [vynechat] racism 2 [vynechat] aggressiveness in children 1 [vynechat] alcoholism 1 [vynechat] alkoholizmus 1 [vynechat] cyberbullying 1 [vynechat] demokracia 1 [vynechat]