Lecture of H.E. Oleksandr Aleksandrovič, Ambassador of Ukraine in Serbia at the Faculty of the Security Studies Activities Topic:European and Ukrainian security – hybrid warsThe moderators were Darko Trifunović Director of the Institute for National and International Security and Aleksandra Andrić. Oleksandr Aleksandrovič Oleksandr Aleksandrovič Oleksandr Aleksandrovič Oleksandr Aleksandrovič