S.RENUKA; R.SUBHA; U.PRASANNAMBIGAI. Hidden Mobile Phone and Metal Detector. International Journal of Advance Research in Engineering, Science & Technology, [S. l.], v. 5, n. 4, p. 61–64, 2018. Disponível em: https://ijarest.org/index.php/ijarest/article/view/1427. Acesso em: 1 feb. 2026.