1. prof Predrag Janković (2015) "PREDICTION OF SURFACE ROUGHNESS USING REGRESSION AND ANN MODELS IN CO2 LASER CUTTING OF MILD STEEL" - 12. Međunarodna konferencija o dostignućima elektrotehnike, mašinstva i informatike
(https://ekonferencije.com/sr/rad/prediction-of-surface-roughnes/3530)

2. prof Predrag Janković (2015) "AN EXPERIMENTAL INVESTIGATION OF KERF WIDTH IN CO2 LASER CUTTING OF ALUMINUM ALLOY" - 12. Međunarodna konferencija o dostignućima elektrotehnike, mašinstva i informatike
(https://ekonferencije.com/sr/rad/an-experimental-investigation-/3515)