K. S. N. VITTAL, CH. HIMABINDU, K. RAJSHEKAR, T.RAJENDRAN. Sms Based Wireless Notice Board Monitoring System. Mathematical Statistician and Engineering Applications, [S. l.], v. 68, n. 1, p. 90–100, 2023. DOI: 10.17762/msea.v68i1.1705. Disponível em: https://www.philstat.org/index.php/MSEA/article/view/1705. Acesso em: 6 may. 2024.