students študenti 30 [vynechat] motivation (psychology) 9 [vynechat] motivácia 9 [vynechat] scientific activities 4 [vynechat] vedecká činnosť 4 [vynechat] adolescenti 3 [vynechat] adolescents 3 [vynechat] risk behavior 3 [vynechat] rizikové správanie 3 [vynechat] rozvoj osobnosti 3 [vynechat] scientific research 3 [vynechat] student movements 3 [vynechat] teachers 3 [vynechat] učitelia 3 [vynechat] vedecký výskum 3 [vynechat] študentské hnutia 3 [vynechat] education 2 [vynechat] electric engineering 2 [vynechat] elektrotechnika 2 [vynechat] informatics 2 [vynechat] informatika 2 [vynechat] internet 2 [vynechat] personality development 2 [vynechat] society and politics 2 [vynechat] spoločnosť a politika 2 [vynechat] universities and colleges 2 [vynechat] vysoké školy 2 [vynechat] Catholic doctrine 1 [vynechat] Christian life 1 [vynechat]