Dusanka Slijepcevic, Ewa Dabrowska-Prokopowska, Dusko Vejnovic, Participation in the VI International Scientific Conference, CONFSEC, 2022. Sofia, Bulgaria: Scientific Technical Union of Mechanical Engineering - Industry 4.0, Scientific Technical Union of Mechanical Engineering - Industry 4.0., Sofia, Bulgaria, 2022.
Dusanka Slijepcevic, Ewa Dabrowska-Prokopowska, Dusko Vejnovic, Participation in the VIII International Scientific Conference - High Technologies, Business, Society 2023. SCIENTIFIC-TECHNICAL UNION OF MECHANICAL ENGINEERING, INDUSTRY 4.0. Bulgaria, VIII International Scientific Conference - High Technologies, Business, Society 2023. SCIENTIFIC-TECHNICAL UNION OF MECHANICAL ENGINEERING, INDUSTRY 4.0. Bulgaria, 2023.
Dušanka Slijepčević, E. Dabrowska-Prokopowska, Učešće na Međunarodnom interdisciplinarnom 2. Kongresu Centra za interdisciplinarna istraživanja Filozofskog fakulteta Osijek: »Izazovi obrazovanja«, Osijek, hybrid, 2022.