علوم الأرض
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Simply Geology (facts Made Fast)٢٦٫١٧ $
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Upstream Petroleum Technology١٠٩٫٢٠ $
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Le Grand Guide de la Terre٤٢٫٤٦ $
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Ocean (earth's Last Wilderness)٢٨٫٦٢ $
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Terres٥٥٫٠٤ $



















