Kassis, W., Vasiou, A., Govaris, C., Rietz, C. and Graf, U. 2023. Individual and social predictors of Greek early adolescents’ self-determination: A longitudinal structural equation analysis . Psychology: the Journal of the Hellenic Psychological Society. 28, 2 (Dec. 2023), 176–194. DOI:https://doi.org/10.12681/psy_hps.31471.