أرسل هذا في رسالة قصيرة: The use of high impact practices (HIPs) on chemistry lesson design and implementation by pre-service teachers

 _    _     ______  __    __   _    _     _  _   
| || | ||  /_   _// \ \\ / // | || | ||  | \| || 
| || | ||   -| ||-   \ \/ //  | || | ||  |  ' || 
| \\_/ ||   _| ||_    \  //   | \\_/ ||  | .  || 
 \____//   /_____//    \//     \____//   |_|\_|| 
  `---`    `-----`      `       `---`    `-` -`