leee4
The cause of dyslexia
leee4
dyslexia video 
leee4
Google for Educators Discussion Group http://groups.google.com.hk/group/sketchup-in-education/topics?hl=zh-TW
leee4
[攻略] 征途智力測驗3000題的題庫.
www.gamebase.com.tw/forum/6880/topic/85599634/1
leee4
七巧板的难度分级及拼凑技巧研究
www.yau-awards.org/paper/S/8%EF%BC%8D%E6%B7%B1%E5%9C%B3%E5%A4%96%E5%9B%BD%E8%AF%AD%E5%AD%A6%E6%A0%A1%EF%BC%8D%E4%B8%83%E5%B7%A7%E6%9D%BF%E7%9A%84%E9%9A%BE%E5%BA%A6%E5%88%86%E7%BA%A7%E5%8F%8A%E6%8B%BC%E5%87%91%E6%8A%80%E5%B7%A7%E7%A0%94%E7%A9%B6.pdf
leee4
Webquest - 七巧板拼砌
course.fed.cuhk.edu.hk/s032559/DEP5205F/resources.htm