Спостерігачі

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  Douglas Hilson

  https://jioelms.com/%ED%8C%8C%EC%9B%8C%EB%B3%BC-%EC%98%88%EC%B8%A1-%ED%94%84%EB%A1%9C%EA%B7%B8%EB%9E%A8-%EC%8A%B9%EB%A6%AC%EC%9D%98-%EC%97%B4%EC%87%A0/