Arisona, D.C., Adhi Wibowo, G.N., Siswanto, S. and Gunawan, G. 2023. Klasifikasi Pesan Biasa, Operator, Spam, dan Debt Collector Menggunakan K-Nearest Neighbor.docx: Indonesia. Jurnal INSYPRO (Information System and Processing). 8, 2 (Nov. 2023). DOI:https://doi.org/10.24252/insypro.v8i2.41264.