Use of information and communication technology (ICT) and perceived health in adolescence: The role of sleeping habits and waking-time tiredness

Autor:	Punamäki, Raija-Leena, Wallenius, Marjut, Nygård, Clase-Håkan, Saarni, Lea, Rimpelä, Arja
Zdroj:	In Journal of Adolescence 2007 30(4):569-585
Databáze:	ScienceDirect
Externí odkaz:	Zobrazit plný text záznamu Full Text from ScienceDirect Plný text