Observadores

• 

  Ina Thibodeau

  https://betty.ourcodeblog.com/25743010/%EC%9E%85%EB%AC%B8%EC%9E%90%EB%A5%BC-%EC%9C%84%ED%95%9C-%EC%8A%AC%EB%A1%AF%EC%82%AC%EC%9D%B4%ED%8A%B8%EC%9D%98-%EC%95%88%EB%82%B4