00660naa#a2200181#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\42065 20241227144649.5 1997-4868 20210129b2021####ek#y0engy0150####ca RU Increasing the availability of agricultural products for the population through the development of digital marketing services Journal article Ekaterinburg Ural State Agrarian University 2021 6 с. Journal article local Razorvin Ivan Vasil'evich Usova N. V. Loginov Mihail Pavlovich usau.editorum.ru