GUERRERO OCHOA, Ambar. Design of a customer service marketing proposal for a public higher education institution in Ecuador. CONECTIVIDAD, [S. l.], v. 5, n. 1, p. 109–127, 2024. DOI: 10.37431/conectividad.v5i1.117. Disponível em: http://200.63.107.229/ojs/index.php/ISTER/article/view/117. Acesso em: 7 nov. 2026.