Enkripsi Surat Elektronik Menggunakan Metode XXTEA. CESS (Journal of Computer Engineering, System and Science) [Internet]. 31 Januari 2019 [dikutip 7 Mei 2026];4(1):99-104. Tersedia pada: https://jurnal.unimed.ac.id/2012/index.php/cess/article/view/12354