@misc{Jasielska_Aleksandra_Knowledge_2017,
 author={Jasielska, Aleksandra and Buchnat, Marzena},
 number={No 2},
 howpublished={online},
 year={2017},
 publisher={Committee for Psychological Science PAS},
 title={Knowledge about the joy in children with mild intellectual disability},
 doi={10.1515/ppb-2017-0019},
}