Наблюдатели

• 

  Sheryl Giffen

  https://snterra.com/%eb%a3%b8%eb%b0%94%ec%95%8c%eb%b0%94%ec%9d%98-%ec%83%88%eb%a1%9c%ec%9a%b4-%ed%8a%b8%eb%a0%8c%eb%93%9c-%eb%af%b8%ec%88%98%eb%8b%a4%eb%a1%9c-%ec%89%bd%ea%b2%8c-%ec%b0%be%ec%95%84%eb%b3%b4%ec%9e%90/