Nafiudin, Ahmad, and Lis Suryadi. “PEMODELAN SISTEM INFORMASI PENGADAAN BARANG PADA PT KAYREACH SYSTEM DENGAN BERORIENTASI OBYEK”. IDEALIS : InDonEsiA journaL Information System 2, no. 1 (January 3, 2018): 9–15. Accessed October 14, 2025. https://jom.fti.budiluhur.ac.id/IDEALIS/article/view/1355.