Observadores

• 

  Karol Rickett

  https://digipet.hadf.ir/%ce%ba%ce%bf%cf%81%cf%85%cf%86%ce%b1%ce%af%ce%bf%ce%b9-%ce%ba%ce%bf%cf%85%ce%bb%ce%bf%cf%87%ce%ad%cf%81%ce%b7%ce%b4%ce%b5%cf%82-%ce%ba%ce%b1%ce%b9-%cf%80%cf%81%ce%bf%ce%bc%ce%b7%ce%b8%ce%b5%cf%85/