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21Subjects: “...petrologi...”
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24Subjects: “...Petrologi...”
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25Subjects: “...Petrologi...”
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26Peranan petrologi dalam mendukung usaha penanggulangan bencana Gunung Merapi = the role petrology onby Gendoet HartonoSubjects: “...Peranan Petrologi...”
Published 1999
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