Aaro, L.E., Laberg, J.C. y Wold, B. (1995). Health behaviours among adolescents: toward a hypothesis of two dimensions. Health Education Research,10(1),...
Aaro, L.E., Wold, B. y Kannas, L. (1986). Health behaviour in schoolchildren: A WHO Cross National Survey. Health Promotion,1, 17-33.
Ames, C. (1992). Achievement goals, motivational climate, and motivational processes. En G.C. Roberts (Ed.), Motivation in sport and...