RAMEHAR; RUPENDER SINGH. LEARNING ON THE MATHEMATICAL EXPLANATION OF PARTIAL DIFFERENTIAL EQUATION. Galaxy International Interdisciplinary Research Journal, [S. l.], v. 9, n. 8, p. 23–27, 2021. Disponível em: https://giirj.com/index.php/giirj/article/view/198. Acesso em: 14 apr. 2025.