General Business Guide for Potential Suppliers of Goods and Services to the United Nations System
Annex: Common Principles and Practices Governing Procurement of Goods and Services
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UNDP / Inter-Agency Procurement Services Unit:
General Business Guide for Potential Suppliers of Goods and Services to the United Nations System : Annex: Common Principles and Practices Governing Procurement of Goods and Services / United Nations Development Programme, Inter-Agency Procurement Services Office (IAPSO). - 11th ed. - Geneva, 1991. - 87 S.
Internationale Organisationen: UNO, OSZE, EU, NATO etc. - Bücher