أرسل هذا في رسالة قصيرة: Does Knowledge Matter for the Environment? Global Evidence of Economic Complexity and Ecological Footprints

  _____      ___      ____       ___              
 /  ___||   / _ \\   |  _ \\    / _ \\    ____    
| // __    | / \ ||  | |_| ||  | / \ ||  |    \\  
| \\_\ ||  | \_/ ||  | .  //   | \_/ ||  | [] ||  
 \____//    \___//   |_|\_\\    \___//   |  __//  
  `---`     `---`    `-` --`    `---`    |_|`-`   
                                         `-`