Tuesday, May 17, 2016

Tokoh dan Sejarah | Johann Gutenberg (Penemu Mesin Cetak)

10:00 PM    No comments
Johann Guttenberg

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Tokoh dan Sejarah | Ts'ai Lun (Penemu Kertas)

7:29 PM    No comments
Ts'ai Lun


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Monday, May 16, 2016

Tokoh dan Sejarah | Isaac Newton

8:45 AM    No comments
Isaac Newton

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