CORREA-GARCÍA, Luis Ángel; PINO-ACEVEDO, Juan Carlos; RAMIREZ-SOTELO, Miguel. Study of customer service and the relationship with expenditure in restaurants SMEs. Ciencias Administrativas. Teoría y Praxis, [S. l.], v. 21, n. 3, p. 137–154, 2025. DOI: 10.46443/catyp.v21i3.497. Disponível em: https://cienciasadmvastyp.uat.edu.mx/index.php/ACACIA/article/view/497. Acesso em: 8 nov. 2026.