1. AACSB International, 2008. Eligibility Procedures and Accreditation Standards for Business Accreditation, Tampa, Florida. Retrieved November 7, 2008 from 〈www.aacsb.edu/accreditation/process/documents/AACSB_STANDARDSRevised_Jan08.pdf〉.
2. The Procurement Revolution,2003
3. Policy and Administration;Appleby,1949
4. The Limits of Organization;Arrow,1974
5. Public procurement as an instrument of public policy and the impact of market liberalisation;Arrowsmith;Law Quarterly Review,1995