BKSDA Bilang Sudah Bikin Mitigasi Jauh sebelum Gunung Marapi Meletus https://ift.tt/yvQexRZ
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BKSDA Bilang Sudah Bikin Mitigasi Jauh sebelum Gunung Marapi Meletus https://ift.tt/yvQexRZ
Tempo Teknologi 
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