Arrafi, Faris, and Manahan Parlindungan Saragih Siallagan. 2024. “Leveraging Data Analytics to Enhance Decision Making in Purchase Order Management: A Case Study in Aca Company”. Jurnal Ekonomi 13 (02):201-16. https://ejournal.seaninstitute.or.id/index.php/Ekonomi/article/view/3620.