A Review of Hospitality2019;s Restaurant Operations: An Explanation of the Tipping Phenomenon. Global Journal of Management and Business Research, [S. l.], v. 19, n. A5, p. 51–55, 2019. Disponível em: https://journalofbusiness.org/index.php/GJMBR/article/view/102577. Acesso em: 2 sep. 2026.