Observadores

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  Willy Darnell

  https://makertoto.com/%EC%8B%A0%EB%A2%B0%ED%95%A0-%EC%88%98-%EC%9E%88%EB%8A%94-%ED%86%A0%ED%86%A0%EC%82%AC%EC%9D%B4%ED%8A%B8-%EC%8A%88%EC%96%B4%EB%A7%A8-%EB%A8%B9%ED%8A%80%EA%B2%80%EC%A6%9D-%ED%94%8C%EB%9E%AB%ED%8F%BC/