STRUNGARU, Carmen. Social Grooming in Humans. Lidé města, [S. l.], v. 6, n. 2/14, p. 107–111, 2004. DOI: 10.14712/12128112.4392. Disponível em: https://medusa.is.cuni.cz/lidemesta/article/view/4392. Acesso em: 5 jul. 2025.