변경금지 2.0 대한민국 이용자는 아래의 조건을 따르는 경우에 한하여 자유롭

113 Pages · 2008 · 1012 KB · Korean
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“ How wonderful it is that nobody need wait a single moment before starting to improve the world. ” ― Anne Frank
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PDF Drive investigated dozens of problems and listed the biggest global issues facing the world today. Let's Change The World Together