ESPINOZA, M. The grandparent scam: A systems perspective case study on elder fraud and the concept of human layering. International Journal of Emerging Trends in Social Sciences, [S. l.], v. 17, n. 2, p. 64–71, 2024. DOI: 10.55217/103.v17i2.863. Disponível em: http://scipg.com/index.php/103/article/view/863. Acesso em: 22 dec. 2024.