00808naa#a2200217#i#450# EN\\bibl\126937 20260722000235.3 2073-5537 20260713b2026####ek#y0engy0150####ca RU Analysis of the impact of business process digitalization on the competitiveness of small businesses in the sectoral economy Journal article Astrakhan Astrakhan State Technical University 2026 12 с. Journal article local Частные предприятия. 334.722 Mandych Irina Aleksandrovna Voronov Dmitriy Gennadyevich Stepanov Roman Vladimirovich Bukhantseva Svetlana Nikolaevna Tikhomirova Antonina Vasilievna vestnik.astu.org