adolescent psychology 1 [vynechat] dospievanie 1 [vynechat] fyzikálne pokusy 1 [vynechat] information behavior 1 [vynechat] informačné správanie 1 [vynechat] interpersonal relations 1 [vynechat] interpersonálne vzťahy 1 [vynechat] laboratory experiments 1 [vynechat] laboratórne pokusy 1 [vynechat] maturation 1 [vynechat] osobnostná a sociálna výchova 1 [vynechat] personal and social education 1 [vynechat] physical experiments 1 [vynechat] psychológia adolescentov 1 [vynechat] pubescenti 1 [vynechat] pubescents 1 [vynechat] science and technology 1 [vynechat] sex 1 [vynechat] sexualita 1 [vynechat] sexuality 1 [vynechat] veda a technika 1 [vynechat] youth's health and hygiene 1 [vynechat] zdravie a hygiena mládeže 1 [vynechat]