Tłuściak-Deliowska A. The Use of Vignettes as a Method of Collecting Data in School Bullying Research. PBE [Internet]. 2018 Jun. 30 [cited 2024 Apr. 20];1(26):195-214. Available from: https://apcz.umk.pl/PBE/article/view/PBE.2018.011