MANICKAM, A.; INDRAKALA, S. .; KUMAR, P. A Novel Mathematical Study on the Predictions of Volatile Price of Gold Using Grey Models. Contemporary Mathematics, [S. l.], v. 4, n. 2, p. 270–285, 2023. DOI: 10.37256/cm.4220232389. Disponível em: https://ojs.wiserpub.com/index.php/CM/article/view/2389. Acesso em: 30 apr. 2024.