Спостерігачі

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  Carroll Belbin

  https://powerball.link/%EB%B0%A4%EC%97%85%EC%86%8C%EC%95%8C%EB%B0%94-%EC%97%AC%EC%84%B1%EC%9D%84-%EC%9C%84%ED%95%9C-%EA%B5%AC%EC%9D%B8%EA%B5%AC%EC%A7%81%EC%9D%98-%EC%83%88%EB%A1%9C%EC%9A%B4-%EC%A7%80%ED%8F%89/