Tella, Fitriyani, et al. “Perbandingan Hasil Forensics Jaringan Terhadap Serangan E-Mail Spamming Dan Spoofing”. Jurnal Ilmiah FIFO, vol. 12, no. 2, Mar. 2021, pp. 121-7, doi:10.22441/fifo.2020.v12i2.001.