1. dr Janez Kopač (2018) "MODERN CAR VIRTUAL CONTROL PANEL BASEBOARDS AS A SOURCE OF DANGER DRIVER DISTURBANCE" - VII INTERNATIONAL CONFERENCE ROAD SAFETY IN LOCAL COMMUNITIES
(https://ekonferencije.com/sr1/rad/modern-car-virtual-control-pan/5688)

2. dr Janez Kopač (2017) "Material behavior modelling in microengineering technologies" - Contemporary Materials 2017 - Savremeni Materijali
(https://ekonferencije.com/sr1/rad/material-behavior-modelling-in/5495)

3. dr Janez Kopač (2016) "APPLICATION OF MICRO MILLING IN MACHINING OF HARD-TO-MACHINING MATERIALS" - Contemporary Materials 2016 - Savremeni Materijali
(https://ekonferencije.com/sr1/rad/application-of-micro-milling-i/4713)

4. dr Janez Kopač (2015) "CUTTING FORCE PREDICTION BY MILLING GRADED MATERIAL" - 12. Međunarodna konferencija o dostignućima elektrotehnike, mašinstva i informatike
(https://ekonferencije.com/sr1/rad/cutting-force-prediction-by-mi/3517)

5. dr Janez Kopač (2015) "CUTTING FORCE MODELING INHARD ALLOY STEEL TURNING" - DEMI 2013
(https://ekonferencije.com/sr1/rad/cutting-force-modeling-inhard-/3264)

6. dr Janez Kopač (2015) "MODELING OF TOOL WEAR IN TURNING OF BEARING STEEL USING CARBIDE TOOL AND HPJAM TECHNIQUE" - 12. Međunarodna konferencija o dostignućima elektrotehnike, mašinstva i informatike
(https://ekonferencije.com/sr1/rad/modeling-of-tool-wear-in-turni/3109)