SISTEM REKOMENDASI PERSONAL PADA TOKO BUKU ONLINE MENGGUNAKAN PENDEKATAN COLLABORATIVE FILTERING DAN ALGORITMA SLOPE ONE. Kohesi [Internet]. 2025 Nov. 18 [cited 2026 Oct. 2];10(6):241-50. Available from: https://cibjournal.com/index.php/kohesi/article/view/1640