Postgraduate training process for students of the graduation seminar of the department of economic and administrative sciences. Revista Torreón Universitario, [S. l.], v. 3, n. 3, p. 12–13, 2013. Disponível em: https://revistas.unan.edu.ni/index.php/Torreon/article/view/3492. Acesso em: 7 aug. 2025.