Setiawan, Muhammad Dery, and Eliyani Eliyani. “Pengembangan Aplikasi Helpdesk Ticketing System Dengan Algoritma Multinomial Naïve Bayes Classifier”. Jurnal Ilmiah FIFO, vol. 14, no. 2, Dec. 2022, pp. 113-22, doi:10.22441/fifo.2022.v14i2.001.