Nurul Kamalia Zahra, Idhom M, Adziima AF. Implementation of Multi-Level Association Rule Mining Based on Concept Hierarchy in Drug Transaction Analysis to Support Inventory Management. JISTR [Internet]. 2026 May 31 [cited 2026 Aug. 5];5(2):306-17. Available from: https://journal.aira.or.id/jistr/article/view/1606