CLASSIFICATION OF CUSTOMER COMPLAINTS ON INSTAGRAM COMMENTS USING NAÏVE BAYES ALGORITHM WITH N-GRAM FEATURE EXTENSION. techno [Internet]. 15 September 2020 [dikutip 12 Februari 2026];17(2):109-16. Tersedia pada: https://ejournal.nusamandiri.ac.id/index.php/techno/article/view/1632