MUKHERJEE PAL, Lipika. A Comparative Study of Image Processing Methods for Handwritten Digit Classification. Swami Vivekananda University Press, Kolkata, West Bengal, India., p. 87–102, 2025. Disponível em: https://swamivivekanandauniversitypress.com/index.php/svup/article/view/215. Acesso em: 24 oct. 2026.