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Pemeliharaan dan pemuliharaan sumber di bumi

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Ammar Fikry

on 7 October 2012

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Transcript of Pemeliharaan dan pemuliharaan sumber di bumi

Captain /Ammar Fikry Photo credit Nasa / Ilhamie Space Flight Center / Umar & Aidil PEMELIHARAAN DAN PEMULIHARAAN SUMBER DI BUMI PENGENALAN PENGERTIAN CARA - CARA KEPENTINGAN PENUTUP PENERANGAN MAKSUD MEMELIHARA SUMBER BUMI Tindakan melindungi sumber-sumber tersebut supaya dapat mengekalkan keadaan semula jadinya .
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