Observerare

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  Heidi Sellar

  https://strikegenix.com/%ec%95%88%ec%a0%84%ed%95%9c-%ec%b9%b4%ec%a7%80%eb%85%b8%ec%82%ac%ec%9d%b4%ed%8a%b8-%ec%9d%b8%ec%96%b4%eb%b2%a0%ea%b0%80%ec%8a%a4%ec%9d%98-%eb%a8%b9%ed%8a%80%ea%b2%80%ec%a6%9d-%ed%94%8c%eb%9e%ab/