Observerare

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  Shona Tafoya

  https://nanumhub.com/%EC%B5%9C%EA%B3%A0%EC%9D%98-%EC%8A%A4%EB%84%A4%EC%9D%B4%ED%81%AC-%EC%B9%B4%EC%A7%80%EB%85%B8-%EC%B6%94%EC%B2%9C-%EC%95%88%EC%A0%84%ED%95%98%EA%B3%A0-%EC%8B%A0%EB%A2%B0%ED%95%A0-%EC%88%98-%EC%9E%88/