Submitted on: 15 April 2023.
Revised on: 03 July 2023.
Accepted on: 04 August 2023.
___________________JOURNAL OF INTELLECTUAL & DEVELOPMENTAL DISABILITY
Submitted on: 14 February 2004.
Revised on: 01 June 2004.
Accepted on: 06 July 2004.
___________________JOURNAL OF INTELLECTUAL & DEVELOPMENTAL DISABILITY
Submitted on: 23 December 2013.
Revised on: 17 January 2014.
Accepted on: 01 March 2014.
___________________JOURNAL OF INTELLECTUAL & DEVELOPMENTAL DISABILITY
http://reply.papertrans.cn/2/175/17444/17444-24.png
http://reply.papertrans.cn/2/175/17444/17444-25.png
Submitted on: 02 November 2012.
Revised on: 26 December 2012.
Accepted on: 07 February 2013.
___________________JOURNAL OF INTELLECTUAL & DEVELOPMENTAL DISABILITY
Submitted on: 31 January 2009.
Revised on: 27 February 2009.
Accepted on: 18 March 2009.
___________________JOURNAL OF INTELLECTUAL & DEVELOPMENTAL DISABILITY
Submitted on: 26 July 2000.
Revised on: 19 October 2000.
Accepted on: 14 December 2000.
___________________JOURNAL OF INTELLECTUAL & DEVELOPMENTAL DISABILITY
http://reply.papertrans.cn/2/175/17444/17444-29.png
Submitted on: 19 June 2016.
Revised on: 14 September 2016.
Accepted on: 03 October 2016.
___________________JOURNAL OF INTELLECTUAL & DEVELOPMENTAL DISABILITY