Rian, mardianto. “Book Classification Application Using Dewey Decimal Classification Method (DDC) Case Study Library SMAN 4 Kaur”. Jurnal Komputer, Informasi dan Teknologi 1, no. 2 (December 9, 2021): 290–298. Accessed April 19, 2025. https://penerbitadm.pubmedia.id/index.php/KOMITEK/article/view/235.