PÉREZ-PÉREZ, C. Presentation and validation of the Services Excellence Modern Management Model "GEMSES". Iberoamerican Business Journal, [S. l.], v. 4, n. 2, p. 113–135, 2021. DOI: 10.22451/5817.ibj2021.vol4.2.11047. Disponível em: https://journals.epnewman.edu.pe/index.php/IBJ/article/view/204. Acesso em: 18 may. 2024.