Observadores

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  Astrid Riegel

  https://qinject.com/%eb%a1%9c%eb%98%90%eb%b2%88%ed%98%b8%eb%b0%9c%ec%83%9d%ea%b8%b0%ec%9d%98-%ec%84%b8%ea%b3%84-%ed%94%84%eb%a6%ac%eb%98%90%ec%99%80-%ed%95%a8%ea%bb%98%ed%95%98%eb%8a%94-%ec%a6%90%ea%b1%b0%ec%9a%b4/