Lutfiyani, R., and N. Retnowati. “IMPLEMENTATION OF EMAIL SPAM DETECTION USING NAÏVE BAYES ALGORITHM AND DECISION TREE J48 TEXT MINING METHOD”. J-Icon : Jurnal Komputer Dan Informatika, Vol. 9, no. 2, Oct. 2021, pp. 244-52, doi:10.35508/jicon.v9i2.5304.