TY JOUR TI The idea of procedural freedom as a principle of criminal proceedings KW procedural freedom KW technological principles of criminal procedure KW ideological approach KW ideological idea JO Legal Science and Practice: Journal of Nizhny Novgorod Academy of the Ministry of Internal Affairs of Russia AU Polyakov, M.P. AU Luginets, E.F. PY 2021 IS 2020 PB Nizhny Novgorod Academy of the Ministry of the Interior of Russia