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Energi Energi terbarukan Energi surya Energi panas bumi Energi kinetik Energi terbarukan di Skotlandia Energi alternatif Energi pasang surut Energi mekanis Energi di JepangReferensi
WikiPedia: Energi terbarukan http://www.activistmagazine.com/index.php?option=c... http://environmental-finance.com http://www.eproguide.com/advantages-of-renewable-e... http://file-edu.com http://www.google.com/patents?id=j3hzAAAAEBAJ&prin... http://www.greenfuelonline.com/enterprise4.htm http://www.greenrightnow.com/kabc/2009/07/10/elect... http://horologyzone.com/watch/watch-school/automat... http://www.inboxrobot.com/news/AlternativeEnergy http://www.rexresearch.com/tate/tate.htm