, P. T. K. D. P. D. O. P. Note to Coin Exchanger Using PLC. International Journal on Recent and Innovation Trends in Computing and Communication, [S. l.], v. 4, n. 8, p. 135–138, 2016. DOI: 10.17762/ijritcc.v4i8.2492. Disponível em: https://ijritcc.org/index.php/ijritcc/article/view/2492. Acesso em: 18 may. 2024.