All about second language learning

Understanding by design

http://www.slideshare.net/hartlek/unpacking-understanding-by-design-by-grant-wiggins-et-al

注音符號教學：

https://www.mdnkids.com/BoPoMo/

全球華文網：

http://www.huayuworld.org/

Chinese learning 4 basic concepts:

https://www.youtube.com/watch?v=M4ntv1m9zEw