نموذج خطاب شكر على الجهود .. خطاب شكر على التعاون
نموذج خطاب شكر على الجهود بالانجليزي Dear Mr/ ……….. I send you this message to express my gratitude for taking a long time to talk with me and solve this problem; I really appreciate this, so I decided to send this thankful letter to you