1] mr Rajko Radovanović EFFECTS OF PROCESSING CONDITIONS ON THE THERMAL PROPERTIES OF VINYL FOAM FLOORING" - Contemporary Materials 2015 - Savremeni Materijali, 14.06.2015.
(https://ekonferencije.com/sr1/rad/effects-of-processing-conditio/3993)

2] mr Rajko Radovanović MATHEMATICAL MODELING OF THE INFLUENCE OF THE COMPOSITION AND PROCESSING CONDITIONS OF PVC PLASTISOL ON THE PROPERTIES OF PVC FLOOR COVERING USING ARTIFICIAL NEURAL NETWORK" - Contemporary Materials 2015 - Savremeni Materijali, 14.06.2015.
(https://ekonferencije.com/sr1/rad/mathematical-modeling-of-the-i/3992)