1. Factors That Appear to Influence Purchasing Department Performance;Kennedy;Journal of Purchasing,November 1967
2. Evaluating Purchasing Performance;Mendleson;Journal of Purchasing,August 1968
3. A How-to Guide to Using Benchmarking;Seaman;NAPM Insights,March 1992
4. U.S. General Accounting Office Study of Selected Local Procurement Systems: Opportunities for Improvement in Local Government Purchasing 1978
5. National Institute of Governmental Purchasing 1991 Procurement Survey Results (Falls Church, Va 8