Analysis of information sources in references of the Wikipedia article "LEED" in English language version.
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{{cite web}}: CS1 maint: deprecated archival service (link)increases in upfront costs of about 2% to support green design would, on average, result in life cycle savings of 20% of total construction costs
increases in upfront costs of about 2% to support green design would, on average, result in life cycle savings of 20% of total construction costs