VINCENT, D. J.; HARI V. S., H. V. S. Classification of Letter Images from Scanned Invoices using CNN. International Journal of Computing, [S. l.], v. 22, n. 3, 2023. DOI: 10.47839/ijc.22.3.3232. Disponível em: https://computingonline.net/computing/article/view/3232. Acesso em: 18 jun. 2024.