1] prof Dejan Mitrovic SPATIAL ORIENTATION USING VIRTUAL REALITY, CASE OF FACULTY OF MECHANICAL ENGINEERING" - 13th International Conference on Accomplishments in Mechanical and Industrial Engineering, 29.04.2017.
(https://ekonferencije.com/sr1/rad/spatial-orientation-using-virt/4999)

2] prof Dejan Mitrovic Investigation of wood biomass market in southeast Serbia" - 13th International Conference on Accomplishments in Mechanical and Industrial Engineering, 28.02.2017.
(https://ekonferencije.com/sr1/rad/investigation-of-wood-biomass-/4881)