School-time’s contribution to the physical activity level of children and fulfilment of national health recommendations for physical activity in Norway

Autor:	Kristiansen, Fredrik, Mikalsen, Hilde Kristin, Lagestad, Pål Arild
Databáze:	NORA (Norwegian Open Research Archive)
Externí odkaz:	https://hdl.handle.net/11250/3030506 Zobrazit plný text záznamu