Amsury, F., Ruhyana, N., Saputra, I., & Sulistyowati, D. (2020). CLASSIFICATION OF CUSTOMER COMPLAINTS ON INSTAGRAM COMMENTS USING NAÏVE BAYES ALGORITHM WITH N-GRAM FEATURE EXTENSION. Jurnal Techno Nusa Mandiri, 17(2), 109-116. https://doi.org/10.33480/techno.v17i2.1632