1] Dragan Družijanić INTERACTION OF LASER BEAMS WITH MATERIALS AS SEEN FROM THE SIDE OF MODERN APPLICATIONS OF QUANTUM GENERATORS IN MEDICINE WITH AN EMPHASIS ON DENTISTRY" - Contemporary Materials 2023 - Savremeni materijali, 26.07.2023.
(https://ekonferencije.com/sr1/rad/interaction-of-laser-beams-wit/6500)

2] Dragan Družijanić LASER, MODULATION OF MATERIALS OF INTEREST FOR DENTISTRY AND OTHER MODERN OR POTENTIAL PROBLEMS" - Contemporary Materials 2022 - Savremeni materijali, 03.08.2022.
(https://ekonferencije.com/sr1/rad/laser-modulation-of-materials-/6434)