أرسل هذا في رسالة قصيرة: Education of renewable energy in Elementary and secondary Schools towards sustainable Development- case study in viet Nam and japan

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