Muhammad Alwi, Oddy Virgantara Putra, Dihin Muriyatmoko1. Classification of Book Collections Based on DDC 23 Using Text Mining Algorithm at UNIDA Gontor Library. PELS [Internet]. 2021Nov.27 [cited 2024Apr.29];20. Available from: https://pels.umsida.ac.id/index.php/PELS/article/view/1164