| | ICLEI — Local Governments for Sustainability |
| | City Hall, West Tower, 16th Floor 100 Queen St. West Toronto, Ontario M5H 2N2 Canada |
| http://www.iclei.org/ | | iclei@iclei.org |
| PPP - partnerstwo publiczno-prywatne |
| 2001 | | Green Purchasing Good Practice Guide | abs | | 52 | | str | 0,6 | mb |