Hardifa, Naufal Furqan, Kemas Muslim Lhaksmana, and Jondri Jondri. 2019. “Topic Classification of Islamic Questionand Answer Using Naive Bayes Classifier”. Indonesian Journal on Computing (Indo-JC) 4 (2):199-204. https://doi.org/10.34818/INDOJC.2019.4.2.346.