PASIKOWSKI, S. Snowball Sampling and Its Non-Trivial Nature. Przegląd Badań Edukacyjnych (Educational Studies Review), [S. l.], v. 2, n. 43, p. 105–120, 2024. DOI: 10.12775/PBE.2023.030. Disponível em: https://apcz.umk.pl/PBE/article/view/44648. Acesso em: 20 jul. 2024.