00688naa#a2200181#i#450# EN\\bibl\43459 20240506152551.1 2588-0071 20210331b2021####ek#y0engy0150####ca RU Effective development of small and medium-sized businesses as a factor of economic security of the country Journal article Nizhny Novgorod Nizhny Novgorod Academy of the Ministry of the Interior of Russia 2021 8 с. Journal article local Экономика. Экономические науки. 33 Efremova Marina Vladimirovna Chkalova Olga Vladimirovna namvd.editorum.ru