VAITKŪNIENĖ, Živilė. Ethical Criteria in Marketing Research. Ekonomika, [S. l.], v. 59, p. 233–249, 2002. DOI: 10.15388/Ekon.2002.17019. Disponível em: https://www.zurnalai.vu.lt/ekonomika/article/view/17019. Acesso em: 8 jul. 2025.