Digital Transformation in Library Recommendation System Using k-NN Collaborative Filtering: Transformasi Digital dalam Sistem Rekomendasi Buku Perpustakaan Menggunakan k-NN. TMJ [Internet]. 18 Juni 2025 [dikutip 20 April 2026];10(1):12-25. Tersedia pada: https://ijc.ilearning.co/index.php/TMJ/article/view/2438