MORA FLORES, Walter. Calculus in Several Variables. Interactive Visualization (Wolfram CDPlayer) 2nd Ed.: Cálculo en Varias Variables. Visualización interactiva. Mathematics, Education and Internet Journal, [S. l.], v. 19, n. 2, 2019. DOI: 10.18845/rdmei.v19i2.4221. Disponível em: https://revistas.tec.ac.cr/index.php/matematica/article/view/4221. Acesso em: 2 may. 2024.