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Maricar, M. Azman, & Nyoman Putra Sastra.
" Efektivitas Pesan Teks dengan Cipher Substitusi, Vigenere Cipher, dan Cipher Transposisi." <em>Majalah Ilmiah Teknologi Elektro</em> [Online], 17.1 (2018): 59-65. Web. 11 Sep. 2026