發送短信 : The effectiveness of peer instruction and structured inquiry on conceptual understanding of force and motion: A case study from Thailand

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