Payaro, Andrea, and Anna Rita Papa. “Supplier Integration: A Proposed Practical Approach through a Matrix Comparing ABC Classification and Vendor Rating”. International Journal of Applied Research in Management and Economics 6, no. 4 (December 12, 2023): 21–35. Accessed October 12, 2025. https://www.dpublication.com/journal/IJARME/article/view/1123.