Hasibuan, Shelvy RG Elsa, Nazaruddin Matondang, and Juliza Hidayati. “Implementation of Text Mining System Development: A Case Study in Telecommunication Industry ”. Jurnal Sistem Teknik Industri 24, no. 1 (January 25, 2022): 1-14. Accessed April 20, 2024. https://talenta.usu.ac.id/jsti/article/view/7526.