Luna Correa, Enrique José. “Loyalty Among Collaborators at a Private Higher Education Institution: A Case Study in Celaya, Guanajuato”. Revista Educación - Journal of Education 43, no. 2 (May 30, 2019): 212–222. Accessed August 16, 2024. https://revistas.ucr.ac.cr/index.php/educacion/article/view/29246.