أرسل هذا في رسالة قصيرة: The impact of energy and air emissions in a changing economic structure: Input-output approach

   _____   __   __    _____      ___      _____   
  / ___//  \ \\/ //  /  ___||   / _ \\   / ____|| 
  \___ \\   \ ` //  | // __    / //\ \\ / //---`' 
  /    //    | ||   | \\_\ || |  ___  ||\ \\___   
 /____//     |_||    \____//  |_||  |_|| \_____|| 
`-----`      `-`'     `---`   `-`   `-`   `----`