Maghfira Z, Mustofa MA, Reza M. Penerapan Algoritma K-Nearest Neighbor (KNN) Dengan TF-IDF Untuk Klasifikasi Sentimen Ulasan Produk E-Commerce. ijim [Internet]. 2026 Sep. 28 [cited 2026 Oct. 9];4(3):15981-90. Available from: https://multidisipliner.org/ijim/article/view/2866