Centers for Disease Control and Prevention. (2011). Children's food environments state indicator report, 2011.Atlanta, GA: Author.
2.
HansenF.WoldB. (2007). Norway. In ArnettJ.J. (Ed.), International encyclopedia of adolescence, Vol. 2. (pp. 699–712). New York, NY: Routledge.
3.
OgdenC.CarrollM. (2010, June). Prevalence of obesity among children and adolescents: United States, trends 1963–65 through 2007–08.Atlanta, GA: Centers for Disease Control and Prevention.
4.
ZuercherD.K. (2011). Math, science, and web-based activities to raise awareness about nutrition and obesity. Middle School Journal, 43 (1), 42–51.