AGUILAR RODRÍGUEZ, D. E. Preliminares. Investigación & Desarrollo, [S. l.], v. 21, n. 2, p. i-v, 2013. Disponível em: https://rcientificas.uninorte.edu.co/index.php/investigacion/article/view/5839. Acesso em: 21 dic. 2024.