http://reply.papertrans.cn/2/127/12623/12623-11.png
http://reply.papertrans.cn/2/127/12623/12623-12.png
Submitted on: 16 September 2020.
Revised on: 09 October 2020.
Accepted on: 28 November 2020.
___________________Ingenieria y Competitividad---UNIV VALLE, FAC INGENIERIA
http://reply.papertrans.cn/2/127/12623/12623-14.png
Submitted on: 27 December 2010.
Revised on: 10 February 2011.
Accepted on: 31 March 2011.
___________________Ingenieria y Competitividad---UNIV VALLE, FAC INGENIERIA
http://reply.papertrans.cn/2/127/12623/12623-16.png
Submitted on: 11 January 2002.
Revised on: 14 February 2002.
Accepted on: 01 April 2002.
___________________Ingenieria y Competitividad---UNIV VALLE, FAC INGENIERIA
http://reply.papertrans.cn/2/127/12623/12623-18.png
Submitted on: 17 January 2015.
Revised on: 06 May 2015.
Accepted on: 17 May 2015.
___________________Ingenieria y Competitividad---UNIV VALLE, FAC INGENIERIA
http://reply.papertrans.cn/2/127/12623/12623-20.png