, U. V. G. S. S. H. S. J. J. P. P. S. Automatic Room Light Controller with Visitor Counter and GSM Messaging. International Journal on Recent and Innovation Trends in Computing and Communication, [S. l.], v. 6, n. 5, p. 312–314, 2018. DOI: 10.17762/ijritcc.v6i5.1620. Disponível em: https://ijritcc.org/index.php/ijritcc/article/view/1620. Acesso em: 21 jan. 2022.