Submitted on: 10 June 2015.
Revised on: 30 September 2015.
Accepted on: 13 November 2015.
___________________Eurasian Business Review---SPRINGER HEIDELBERG
Submitted on: 27 May 2013.
Revised on: 13 July 2013.
Accepted on: 02 August 2013.
___________________Eurasian Business Review---SPRINGER HEIDELBERG
Submitted on: 16 July 2014.
Revised on: 02 November 2014.
Accepted on: 24 November 2014.
___________________Eurasian Business Review---SPRINGER HEIDELBERG
Submitted on: 19 November 2012.
Revised on: 03 March 2013.
Accepted on: 27 April 2013.
___________________Eurasian Business Review---SPRINGER HEIDELBERG
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Submitted on: 03 May 2023.
Revised on: 06 July 2023.
Accepted on: 04 August 2023.
___________________Eurasian Business Review---SPRINGER HEIDELBERG