TY JOUR TI Morality and ethics as the fundamental basis for the formation of civil law principles KW principles of civil law KW moral norms KW ethical standards KW sources of law KW custom KW principle of justice KW limits of exercise of civil rights KW legal precedent JO BULLETIN OF ECONOMIC SECURITY AU Ramazanova, K.K. PY 2025 IS 0 PB Moscow University of the Ministry of Internal Affairs of Russia named after V.Ya. Kikot