أرسل هذا في رسالة قصيرة: Improving creative thinking of high school students through chemistry teaching : Thesis for master degree of chemistry teaching: 60 14 01 11

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