Observerare

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  Leta Auger

  https://qb-365.com/%EC%95%88%EC%A0%84%ED%95%9C-%ED%86%A0%ED%86%A0%EC%82%AC%EC%9D%B4%ED%8A%B8-%EC%B0%BE%EA%B8%B0-%EC%95%88%EC%A0%95%EC%84%B1%EC%9D%84-%EA%B0%96%EC%B6%98-%EC%84%A0%ED%83%9D%EC%9D%84-%EC%9C%84%ED%95%9C/