D. SARAVANAN. Secure financial transactions by using the picture-binding secret writing scheme. European Economic Letters (EEL), [S. l.], v. 14, n. 1, p. 1766–1773, 2024. DOI: 10.52783/eel.v14i1.1245. Disponível em: https://www.eelet.org.uk/index.php/journal/article/view/1245. Acesso em: 28 mar. 2025.