BRINDHA DEVI, V; SINDHUJA, S; SHANTHINI, S; HEMALATHA, M. A virtual keyboard security system for automated teller machine. International Journal of Engineering & Technology, [S. l.], v. 7, n. 2.33, p. 59–63, 2018. DOI: 10.14419/ijet.v7i2.33.13855. Disponível em: https://www.sciencepubco.com/index.php/ijet/article/view/13855.. Acesso em: 5 may. 2024.