PIĄTKOWSKA, Krystyna. Ethical aspects in “difficult problems”research. Zeszyty Wiejskie, [S. l.], v. 22, p. 299–307, 2016. DOI: 10.18778/1506-6541.22.21. Disponível em: https://czasopisma.uni.lodz.pl/zwiej/article/view/19138. Acesso em: 2 oct. 2024.