(2003). The environmental performance of public procurement: Issues of policy coherence. OECD.
Chicago-čujuhus (17. p.)The Environmental Performance of Public Procurement: Issues of Policy Coherence. Paris, France: OECD, 2003.
MLA-čujuhus (9. p.)The Environmental Performance of Public Procurement: Issues of Policy Coherence. OECD, 2003.
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