TY JOUR TI The principle of best interests in the concept of the constitutional and legal status of children left without parental care KW principle of law KW best interests KW constitutional status KW orphans KW children left without parental care JO Legal Science and Practice: Journal of Nizhny Novgorod Academy of the Ministry of Internal Affairs of Russia AU Shkileva, N.L. PY 2023 IS 2023 PB Nizhny Novgorod Academy of the Ministry of the Interior of Russia