Muhammad Alwi, Oddy Virgantara Putra, Dihin Muriyatmoko1. Classification of Book Collections Based on DDC 23 Using Text Mining Algorithm at UNIDA Gontor Library: Klasifikasi Koleksi Buku Berbasis DDC 23 Menggunakan Algoritma Teks Mining di Perpustakaan UNIDA Gontor. PELS [Internet]. 2021 Nov. 27 [cited 2025 Jun. 25];2. Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/1164