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Author(s):
1. Gordana Tica, Faculty of Mechanical Engineering,
Republic of Srpska, Bosnia and Herzegovina
2. Azra Rogović-Grubić, Ministry of Foreign Trade and Economic Relations of Bosnia and Herzegovina, Sarajevo,
Federation of Bosnia and Herzegovina
, Bosnia and Herzegovina
3. Milovan Kotur, Faculty of Mechanical Engineering,
Republic of Srpska, Bosnia and Herzegovina
4. Petar Gvero, Faculty of Mechanical Engineering,
Republic of Srpska, Bosnia and Herzegovina