AZMI, A.; SHUKOR, M.A.A. Process Description for PLC Program Design. International Journal of Integrated Engineering, [S. l.], v. 1, n. 3, 2009. Disponível em: https://penerbit.uthm.edu.my/ojs/index.php/ijie/article/view/95.. Acesso em: 2 may. 2024.