1. Balancing Social, Environmental and Economic Considerations in Procurement,2013
2. Treaty of Amsterdam Amending the Treaty of the European Union, the Treaties Establishing the European Communities and Certain Related Acts,1997
3. EVALUATION OF APPROACHES USING THE PRODUCT LIFECYCLE
4. The Product Life Cycle: A Tool for Functional Strategic Alignment
5. Green Paper on the Modernization of EU Public Procurement Policy towards a More Efficient European Procurement Market,2011