WIDODO, A.; AJI, W. S. Palang Pintu Kereta Api Pneumatik Otomatis Berbasis PLC Omron CP1E-NA20DR-A. Buletin Ilmiah Sarjana Teknik Elektro, [S. l.], v. 1, n. 2, p. 82–90, 2019. DOI: 10.12928/biste.v1i2.1011. Disponível em: http://www.journal2.uad.ac.id/index.php/biste/article/view/1011. Acesso em: 28 apr. 2024.