Gråstén, A., Yli-Piipari, S., Huhtiniemi, M., Salin, K., Seppälä, S., Lahti, J., Hakonen, H. and Jaakkola, T. (2019) “Predicting accelerometer-based physical activity in physical education and total physical activity: The Self-determination Theory approach”, Journal of Human Sport and Exercise, 14(4), pp. 757–771. doi: 10.14198/jhse.2019.144.05.