Submitted on: 14 October 2019.
Revised on: 21 December 2019.
Accepted on: 10 February 2020.
___________________CIRIEC-Espana Revista de Economia Publica Social y Cooperativa
Submitted on: 15 April 2021.
Revised on: 30 July 2021.
Accepted on: 18 August 2021.
___________________CIRIEC-Espana Revista de Economia Publica Social y Cooperativa
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Submitted on: 27 January 2001.
Revised on: 14 March 2001.
Accepted on: 24 March 2001.
___________________CIRIEC-Espana Revista de Economia Publica Social y Cooperativa
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Submitted on: 08 July 2016.
Revised on: 21 August 2016.
Accepted on: 13 September 2016.
___________________CIRIEC-Espana Revista de Economia Publica Social y Cooperativa
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Submitted on: 29 November 2020.
Revised on: 24 December 2020.
Accepted on: 10 January 2021.
___________________CIRIEC-Espana Revista de Economia Publica Social y Cooperativa
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