1. MSc Petar Djekic (2017) "Application of polyurethane waste in virgin rubber blends" - 13th International Conference on Accomplishments in Mechanical and Industrial Engineering
(https://ekonferencije.com/sr1/rad/application-of-polyurethane-wa/4883)

2. MSc Petar Djekic (2017) "Numerical Analysis of Convective Heat Transfer from a Perforated Plate" - 13th International Conference on Accomplishments in Mechanical and Industrial Engineering
(https://ekonferencije.com/sr1/rad/numerical-analysis-of-convecti/4873)

3. MSc Petar Djekic (2017) "ARTIFICIAL NEURAL NETWORK FOR PREDICTION OF THE BEGINNING OF DELAMINATION AT RUBBER CONVEYOR BELTS" - 13th International Conference on Accomplishments in Mechanical and Industrial Engineering
(https://ekonferencije.com/sr1/rad/artificial-neural-network-for-/4868)

4. MSc Petar Djekic (2015) "IMPROVEMENT OF THE PROPERTIES OF GROUND TIRE RUBBER BY MECHANOCHEMICAL MODIFICATION AND APPLICATION IN SRB/NR BLENDS" - 12. Međunarodna konferencija o dostignućima elektrotehnike, mašinstva i informatike
(https://ekonferencije.com/sr1/rad/improvement-of-the-properties-/3529)

5. MSc Petar Djekic (2015) "ECONOMIC INDICATORS OF WASTE TREATMENTS" - 12. Međunarodna konferencija o dostignućima elektrotehnike, mašinstva i informatike
(https://ekonferencije.com/sr1/rad/economic-indicators-of-waste-t/2965)

6. MSc Petar Djekic (2013) "SAFETY AND HEALTH AT WORK IN THE PRODUCTION OF RUBBER CONVEYOR BELTS" - DEMI 2013
(https://ekonferencije.com/sr1/rad/safety-and-health-at-work-in-t/2155)