TY  - BOOK
AU  - Guay, Frederic.
AU  - Guay, Frederic.
ED  - Morin, Alexandre J.S.
ED  - Litalien, David.
ED  - Howard, Joshua L. 
ED  - Gilbert, William.
TI  - Trajectories of self-determined motivation during the secondary school: a growth mixture analysis 
U1  - DPer 370.15 J826 January-February 2021 v. 113 n. 1-2 
PY  - 2021///
CY  - Washington, DC
PB  - American Psychological Association
N1  - Journal of Educational Psychology, vol. 113, no. 2, pages 390-410, February 2021
ER  -