Monday, September 26, 2011

Sains dan Teknologi

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Sains dan Teknologi


Sunday, September 25, 2011

Energi

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Energi


Saturday, September 24, 2011

Optik

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optik


Friday, September 9, 2011

Mekanika

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mekanika


Thursday, September 8, 2011

Medan

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medan


Wednesday, September 7, 2011

Gelombang

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gelombang