發送短信 : A survey on the conceptual understanding of students on heat and temperature

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