Submitted on: 29 July 2016.
Revised on: 21 October 2016.
Accepted on: 19 November 2016.
___________________Casopis za Ekonomiju i Trzisne Komunikacije
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Submitted on: 12 June 2017.
Revised on: 26 July 2017.
Accepted on: 17 August 2017.
___________________Casopis za Ekonomiju i Trzisne Komunikacije
Submitted on: 30 January 2006.
Revised on: 13 April 2006.
Accepted on: 12 June 2006.
___________________Casopis za Ekonomiju i Trzisne Komunikacije
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