Internal marketing, job satisfaction and employee engagement in commercial enterprises. Revista Universidad de Guayaquil, [S. l.], v. 138, n. 1, p. 13–24, 2024. DOI: 10.53591/rug.v138i1.2351. Disponível em: https://revistas.ug.edu.ec/index.php/rug/article/view/216. Acesso em: 5 dec. 2025.