1. Assistant Pomeranian Higher School in Starogard Gdanski, Kosciuszki 112/114 str. 83-200 Starogard Gdanski.
2. Postgraduate, Faculty of Law, Lesya Ukrainka Volyn National University, 13 Voli Ave., Lutsk, Ukraine, 43025.
3. Professor of the Department of Constitutional, Administrative and International Law, Lesya Ukrainka Volyn National University, 13 Voli Ave., Lutsk, Ukraine, 43025.
4. Head of Department of Criminal Law and Procedure, Law Faculty, Lesya Ukrainka Volyn National University, 13 Voli Ave, Lutsk, Ukraine, 43025.
5. Professor of the Department of Constitutional, Administrative and International Law, Lesya Ukrainka Volyn National University, 13 Voli Ave., Lutsk, Ukraine, 43025.