@article{Jabłońska_Magdalena_PREDICTORS_2017,
 author={Jabłońska, Magdalena and Bedyńska, Sylwia and Gradowski, Łukasz and Sędek, Grzegorz},
 number={No 2},
 howpublished={online},
 journal={Psychological Studies},
 year={2017},
 publisher={Committee of Psychology PAS},
 publisher={Warsaw School of Social Sciences and Humanities},
 title={PREDICTORS OF INSTRUMENTAL MOTIVATIONFOR MATHEMATICS IN PISA 2012. THE ROLE OF GENDER,SELF-CONCEPT, HELPLESSNESS, NEGATIVE EMOTIONS,WORRIES AND INTRINSIC MOTIVATION},
}