cellular telephones 6 [vynechat] mobilné telefóny 6 [vynechat] information and communication technology 3 [vynechat] informačné a komunikačné technológie 3 [vynechat] psychological aspects 2 [vynechat] psychologické aspekty 2 [vynechat] ICT gramotnosť 1 [vynechat] ICT literacy 1 [vynechat] Internet communication 1 [vynechat] Internet social networks 1 [vynechat] adolescenti 1 [vynechat] adolescents 1 [vynechat] business failures 1 [vynechat] child rearing 1 [vynechat] cyberspace 1 [vynechat] digital media 1 [vynechat] digitálne médiá 1 [vynechat] educational aims 1 [vynechat] electronic industries 1 [vynechat] elektronický priemysel 1 [vynechat] firms 1 [vynechat] firmy 1 [vynechat] harmony of life 1 [vynechat] internet 1 [vynechat] internetová komunikácia 1 [vynechat] internetové sociálne siete 1 [vynechat] kyberpriestor 1 [vynechat] mobile applications 1 [vynechat] mobile communication 1 [vynechat] mobilná komunikácia 1 [vynechat]