http://reply.papertrans.cn/3/209/20892/20892-11.png
Submitted on: 24 June 2021.
Revised on: 23 July 2021.
Accepted on: 18 August 2021.
LINGUA
http://reply.papertrans.cn/3/209/20892/20892-13.png
Submitted on: 16 October 1998.
Revised on: 26 October 1998.
Accepted on: 03 November 1998.
LINGUA---ELSEVIER
http://reply.papertrans.cn/3/209/20892/20892-15.png
http://reply.papertrans.cn/3/209/20892/20892-16.png
Submitted on: 29 December 2021.
Revised on: 16 January 2022.
Accepted on: 02 February 2022.
LINGUA
Submitted on: 29 November 2012.
Revised on: 20 December 2012.
Accepted on: 11 January 2013.
LINGUA
http://reply.papertrans.cn/3/209/20892/20892-19.png
Submitted on: 07 August 2010.
Revised on: 15 August 2010.
Accepted on: 06 September 2010.
LINGUA