http://reply.papertrans.cn/1/31/3019/3019-31.png
http://reply.papertrans.cn/1/31/3019/3019-32.png
Submitted on: 10 December 2015.
Revised on: 08 January 2016.
Accepted on: 20 January 2016.
___________________Augmentative and Alternative Communication
http://reply.papertrans.cn/1/31/3019/3019-34.png
http://reply.papertrans.cn/1/31/3019/3019-35.png
Submitted on: 11 December 2016.
Revised on: 28 February 2017.
Accepted on: 14 March 2017.
___________________Augmentative and Alternative Communication