Longitudinal associations between exercise identity and exercise motivation : a multilevel growth curve model approach

by Ntoumanis, N. (Author), ... Stenling, A. (Author), Thøgersen-Ntoumani, C. (Author), Vlachopoulos, S. (Author), Lindwall, M. (Author), Gucciardi, D.F. (Author), Tsakonitis, C. (Author)
Published in Scandinavian journal of medicine & science in sports, 28 (2018), 2, S. 746-753, Lit.