Autori:
1. Gordana Tica, Mašinski fakultet Univerziteta u Banjoj Luci, 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, Mašinski fakultet Univerziteta u Banjoj Luci, Republic of Srpska, Bosnia and Herzegovina
4. Petar Gvero, Mašinski fakultet Univerziteta u Banjoj Luci, Republic of Srpska, Bosnia and Herzegovina