Research Management Model, I+D+i Model of UNAN Managua. Revista Torreón Universitario, [S. l.], v. 4, n. 9, p. 28–33, 2015. Disponível em: https://revistas.unan.edu.ni/index.php/Torreon/article/view/3412. Acesso em: 7 aug. 2025.