1. prof Velimir Stefanovic (2017) "Experimental and numerical investigation of a solar dish collector with spiral absorber" - 13th International Conference on Accomplishments in Mechanical and Industrial Engineering
(https://ekonferencije.com/sr1/rad/experimental-and-numerical-inv/4775)

2. prof Velimir Stefanovic (2015) "Development of mathematical model of offset type solar parabolic concentrating system" - 12. Međunarodna konferencija o dostignućima elektrotehnike, mašinstva i informatike
(https://ekonferencije.com/sr1/rad/development-of-mathematical-mo/2914)

3. prof Velimir Stefanovic (2013) "Wind Energy Potentials of Vlasina Region" - DEMI 2013
(https://ekonferencije.com/sr1/rad/wind-energy-potentials-of-vlas/2015)

4. prof Velimir Stefanovic (2013) "DYNAMICAL SIMULATION OF A SOLAR-HEAT PUMP SYSTEM FOR ON-SITE ELECTRICITY PRODUCTION " - DEMI 2013
(https://ekonferencije.com/sr1/rad/dynamical-simulation-of-a-sola/2002)

5. prof Velimir Stefanovic (2013) "A REVIEW OF TECHNOLOGIES AND STRATEGIES TOWARDS NET ZERO ENERGY BUILDINGS THROUGH EXAMPLES ALL OF THE WORLD" - DEMI 2013
(https://ekonferencije.com/sr1/rad/a-review-of-technologies-and-s/1995)