KOTTHAPALLI, D. K.; ANITHA, D. V. EXTENDING THE VISUAL CRYPTOGRAPHY ALGORITHM USING IMAGE WATERMARKING TECHNIQUE. INTERNATIONAL JOURNAL OF COMPUTERS & TECHNOLOGY, [S. l.], v. 5, n. 2, p. 120–123, 2013. DOI: 10.24297/ijct.v5i2.3531. Disponível em: https://rajpub.com/index.php/ijct/article/view/3531. Acesso em: 3 jul. 2024.