Yongki Iswo and Sihombing, P. 2016. COMBINATION OF AES ALGORITHM WITH BLOWFISH ALGORITHM FOR FILE ATTACHMENT AT E-MAIL SENDING. METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi. 2, 1 (Sep. 2016), 96–101. DOI:https://doi.org/10.46880/mtk.v2i1.21.