AGUILAR RODRÍGUEZ, D. E. Preliminares. Investigación & Desarrollo, [S. l.], v. 20, n. 1, p. i-v, 2012. Disponível em: https://rcientificas.uninorte.edu.co/index.php/investigacion/article/view/4349. Acesso em: 22 dic. 2024.