http://reply.papertrans.cn/3/295/29420/29420-21.png
Submitted on: 22 June 2000.
Revised on: 05 August 2000.
Accepted on: 02 September 2000.
NULL
http://reply.papertrans.cn/3/295/29420/29420-23.png
http://reply.papertrans.cn/3/295/29420/29420-24.png
Submitted on: 02 September 2001.
Revised on: 12 October 2001.
Accepted on: 05 November 2001.
Theory and Research in Education
Submitted on: 22 August 2021.
Revised on: 16 September 2021.
Accepted on: 30 September 2021.
Theory and Research in Education
Submitted on: 10 November 2020.
Revised on: 02 December 2020.
Accepted on: 15 December 2020.
NULL
Submitted on: 09 September 2000.
Revised on: 09 October 2000.
Accepted on: 04 November 2000.
Theory and Research in Education
Submitted on: 02 May 2022.
Revised on: 11 May 2022.
Accepted on: 05 June 2022.
NULL
http://reply.papertrans.cn/3/295/29420/29420-30.png