Physical Activity of Children: A Global Matrix of Grades Comparing 15 Countries
Mark S. Tremblay, Casey Gray, Kingsley Akinroye, Deirdre M. Harrington, Peter T. Katzmarzyk, Estelle V. Lambert, Jarmo Liukkonen, Ralph Maddison, Reginald Ocansey, Vincent Onywera, António Prista, John J. Reilly, María del Pilar Rodríguez Martínez, Olga L. Sarmiento, Martyn Standage, Grant R. Tomkinson (2014). Physical Activity of Children: A Global Matrix of Grades Comparing 15 Countries. Journal of Physical Activity and Health, 11(s1), pp. S113-S125, DOI: 10.1123/jpah.2014-0177.
