6See the U.S. Envlronmental Protection ,Agency's Report:Fined Guidance on Environmentally Preferable Ptrchasing (1999). AvaiLabLe on http://www. Epa. gov/oppt/epp. 被引量:1
7See OECD' S., Recommendation of the Council on Improving the Environmental Performance of Public Procurement(2002) . 被引量:1