POSITIVE AND NEGATIVE DIRECTIONS OF THE SURFACE INTEGRAL OF THE SECOND TYPE. Multidisciplinary Journal of Science and Technology, [S. l.], v. 4, n. 3, p. 382–389, 2024. Disponível em: http://mjstjournal.com/index.php/mjst/article/view/1049. Acesso em: 8 apr. 2025.