00571naa#a2200169#i#450# EN\\bibl\100480 20260203163619.2 2073-5537 20250627b2025####ek#y0engy0150####ca RU Methodological basis of digital business transformation Journal article Astrakhan Astrakhan State Technical University 2025 7 с. Journal article local в условиях свободной конкуренции. 338.242.2 Igoshin Aleksandr Anatol'evich vestnik.astu.ru