Andi Maslan, Azan Rahman, Umar Faruq, and Rabei Raad Ali Al-Jawr. “Spam Email Classification Optimization With NLP-Based Naïve Bayes on TF-IDF and SMOTE”. Jurnal Nasional Teknik Elektro dan Teknologi Informasi 14, no. 4 (November 28, 2025): 263-271. Accessed January 27, 2026. https://journal.ugm.ac.id/v3/JNTETI/article/view/20931.