OSTIA, Mary Grace O. et al.
 An Enhancement of Text Encryption Algorithm with Hybrid Two-Square Cipher and Columnar Transposition Cipher.
<strong>International Journal of Computing Sciences Research</strong>, [S.l.], v. 8, p. 3202-3216, aug. 2024.
ISSN 2546-115X.
Available at: &lt;<a href="//stepacademic.net/ijcsr/article/view/613" target="_new">//stepacademic.net/ijcsr/article/view/613</a>&gt;. Date accessed: 22 dec. 2024.