Boy Who Harnessed the Wind
Harper Collins Paperbacks
William Kamkwamba
9780007316199
An: 2010
Sustainable Energy - without the hot air
CENTRAL BOOKS
David J C MacKay
9780954452933
An: 2008
Cradle to Cradle
Vintage Books UK
William McDonough, Michael Braungart
9780099535478
192 pagini
An: 2009
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