, A. B. D. A. P. S. K. NOTE TO COIN EXCHANGER USING IMAGE PROCESSING. International Journal on Recent and Innovation Trends in Computing and Communication, [S. l.], v. 1, n. 3, p. 154–158, 2013. DOI: 10.17762/ijritcc.v1i3.2755. Disponível em: https://ijritcc.org/index.php/ijritcc/article/view/2755. Acesso em: 15 sep. 2025.