https://support.google.com/edu/classroom/thread/322882642/–does-qatar-have-free-cancellation

https://support.google.com/edu/classroom/thread/322882642/%EF%BD%86%EF%BD%81%EF%BD%91%EF%BC%B3-%EF%BC%B1%EF%BC%A1%EF%BC%B4%EF%BC%A1%EF%BC%B2-does-qatar-have-free-cancellation