TY JOUR TI THE PROBLEM OF IMPLEMENTING THE PRINCIPLE OF A REASONABLE PERIOD OF CRIMINAL PROCEEDINGS KW criminal procedure KW prosecutor’s office KW principle KW ECHR KW Code of Criminal Procedure KW definition KW pre-trial stages of criminal proceedings KW circumstances. JO Scientific Notes of V. I. Vernadsky Crimean Federal University. Juridical science AU Pankina, I.Y. AU Senator I, V.D. PY 2023 IS 7 PB V.I. Vernadsky Crimean Federal University