Submitted on: 03 September 2000.
Revised on: 11 October 2000.
Accepted on: 03 November 2000.
NULL
Submitted on: 05 February 1998.
Revised on: 23 February 1998.
Accepted on: 08 March 1998.
NULL
Submitted on: 27 December 2022.
Revised on: 15 January 2023.
Accepted on: 12 February 2023.
Retos-Revista de Ciencias de la Administracion y Economia
Submitted on: 12 February 2002.
Revised on: 14 March 2002.
Accepted on: 19 March 2002.
NULL
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http://reply.papertrans.cn/3/266/26515/26515-26.png
http://reply.papertrans.cn/3/266/26515/26515-27.png
Submitted on: 11 August 2020.
Revised on: 24 September 2020.
Accepted on: 15 October 2020.
Retos-Revista de Ciencias de la Administracion y Economia
Submitted on: 08 December 1999.
Revised on: 09 January 2000.
Accepted on: 03 February 2000.
NULL
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